leodragneel0789 leodragneel0789

12-06-2018
Mathematics

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Find three consecutive odd integers such that the sum of the largest and twice the smallest is 25.

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sqdancefan sqdancefan

22-06-2018

Let x represent the middle one. Then the largest is x+2; the smallest is x-2.
(x+2) +2(x-2) = 25
3x = 27 . . . . . . . . . . simplify, add 2
x = 9 . . . . . . . . . . . . divide by 3

The integers are 7, 9, 11.

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