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There are 3 consecutive odd integers. Three times of the sum of the largest and the

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There are 3 consecutive odd integers. Three times of the sum of the largest and the

by Max@Math Revolution » Tue Jul 14, 2020 11:43 pm

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[GMAT math practice question]

There are 3 consecutive odd integers. Three times of the sum of the largest and the smallest of them is 6 less than 8 times the remaining odd integer. What is the smallest integer?

A. 1
B. 2
C. 3
D.4
E.5
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Re: There are 3 consecutive odd integers. Three times of the sum of the largest and the

by Max@Math Revolution » Thu Jul 16, 2020 11:28 pm
=>

Assume x – 2, x, and x + 2 are the three consecutive odd integers, where x is an odd number.
We have 3(x – 2 + x + 2) = 8x – 6, 3x – 6 + 3x + 6 = 8x - 6 or 6x = 8x – 6.
Then we have 2x – 6 = 0 or x = 3.
Thus, the smallest integer is x – 2 = 3 – 2 = 1.
Therefore, A is the correct answer.
Answer: A
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