[讨论]急！！！！要上考场了，请教Prep里的数学

realmww

还剩下面几道，哪位好心人再帮我看看，谢谢大家了！！

For each of her sales,a saleswaman receives a commission equal to 20 percent of the first 500 of the total amount of the sale,plus 30 percent of the total amount of one of her sales was 800,the saleswoman’s commission was approximately what percent of the total amount of the sale?答案是24%

 

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

 

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

[此贴子已经被作者于2008-1-14 20:29:49编辑过]

realmww

还剩下面几道，哪位好心人再帮我看看，谢谢大家了！！

For each of her sales,a saleswaman receives a commission equal to 20 percent of the first 500 of the total amount of the sale,plus 30 percent of the total amount of one of her sales was 800,the saleswoman’s commission was approximately what percent of the total amount of the sale?答案是24%

 

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

 

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

In May Mrs.Lee’earnings were 60 percent of the Lee Family’s total income.In June Mrs.Lee earned 20 percent more than in May.If the rest of the family’s income was the same both months,then, in June Mrs.Lee’s earnings were approximately what percent of the Lee family’s total income?答案是72%

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

5 pieces of wood have an average (arithmetic mean) length of 124 centimeters and a median length of 140 centimeters.What is the maximum possible length , in centimeters,of the shortest picec of wood?答案是100

 

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

Marta bought several pencils,if each pencil was a 23-cent pencil or 21-cent pencil,how many 23-cent pencils did Marta buy?

(1)Marta bought a total of 6 pencils

(2)The total value of the  pencils Marta bought was 130cents

答案是B

realmww

晕，系统发贴出错。其实只有4道题。。。。。。。