4.22考试--请教数学题目--(1)

ruoancheng

请大家帮忙看看，非常感谢~~
1. How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards?(1 mile = 1,160 yards)



A. 8

B. 9

C. 10

D. 11

E. 12
我的算法是：（45*1160/3600）*22=1.51，但是答案是C。。。
2. If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M?



A. 600

B. 700

C. 900

D. 2,100

E. 4,900  答案选A
3.A certain business produced x rakes each month form November through February and shipped x/2 rakes at the beginning of each month from March through October.  The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.10 per rake each month from March through October for the rakes that had not been shipped.  In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?



A. 0.40x

B. 1.20x

C. 1.40x

D. 1.60x

E. 3.20x 答案选C
4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C




3.A certain business produced x rakes each month form November through February and shipped x/2 rakes at the beginning of each month from March through October.  The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.10 per rake each month from March through October for the rakes that had not been shipped.  In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?



A. 0.40x

B. 1.20x

C. 1.40x

D. 1.60x

E. 3.20x 答案选C
4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C





2. If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M?



A. 600

B. 700

C. 900

D. 2,100

E. 4,900  答案选A
3.A certain business produced x rakes each month form November through February and shipped x/2 rakes at the beginning of each month from March through October.  The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.10 per rake each month from March through October for the rakes that had not been shipped.  In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?



A. 0.40x

B. 1.20x

C. 1.40x

D. 1.60x

E. 3.20x 答案选C
4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C




3.A certain business produced x rakes each month form November through February and shipped x/2 rakes at the beginning of each month from March through October.  The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.10 per rake each month from March through October for the rakes that had not been shipped.  In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?



A. 0.40x

B. 1.20x

C. 1.40x

D. 1.60x

E. 3.20x 答案选C
4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



4.Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day.  If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper B, which of the following expresses r in terms of p?



A. 100p / (125 – p)

B. 150p / (250 – p)

C. 300p / (375 – p)

D. 400p / (500 – p)

E. 500p / (625 – p) 答案选D
5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C



5.Enrollment in City College in 1980 was 83? percent of enrollment in 1990.  What was the percent increase in the college’s enrollment from 1980 to 1990?



A. 10%

B. 16?%

C. 20%

D. 25%

E. 183?% 答案选C

tammy212

管理员啊，这不是原始啊！