再求几道很重要的题，马上要考了，十分感谢哈~

weiyihantime

If Antonio bought two half-gallon cartons of ice cream during a special sale, what percent of the total regular price of the two cartons did he save?

(1)   Antonio paid the regular price for the first carton and received the second carton for half the regular price.

(2)   The regular price of the ice cream Antonio bought was $4.00 per half-gallon carton.

                                                                                                                             

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

Answer: CA

这道题的题目是什么意思啊？

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

Answer: EC

有谁能帮我解一下这道题并写出求解过程吗？十分感谢：）

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

Answer: DA

为什么我觉得每一个都是FACTOR阿？