SAT数学Problem Solving练习题(36)
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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(36),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(36),供考生们参考,以下是详细内容。
Question 36: If a, b and c are consecutive integers, a < b < c, and a + b + c = 96, what is the value of b?
(a) 30
(b) 31
(c) 32
(d) 33
(e) 34
Solution: If a, b and c are consecutive numbers, b = a + 1 and c = a + 2.
Then, a + (a + 1) + (a + 2) = 96, so 3·a + 3 = 96.
a = (96 - 3)/3 = 31.
b = a + 1 = 32.
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