SAT数学Problem Solving练习题(25)

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摘要:下面是小站SAT频道为大家整理了SAT数学Problem Solving练习题(25),供考生们参考,以下是详细内容。

以下是小站SAT频道为大家整理了SAT数学Problem Solving练习题(25),供考生们参考,以下是详细内容。

Question 25: If a and b are positive integers and a·b = 200, which of the following can be the sum a + b?

(a) 40

(b) 46

(c) 33

(d) 55

(e) 50

Answer: 200 = 2·2·2·5·5.

If a and b are positive integers, the 2 numbers and their sum can be:

2 + 100 = 102

4 + 50 = 54

5 + 40 = 45

8 + 25 = 33

10 + 20 = 30

(c) is the correct answer.

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