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15 July, 21:08

The sum of three consecutive numbers is 87. What is the smallest of these numbers?

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  1. 15 July, 21:32
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    Consecutive integers area 1 apart

    they are

    x, x+1, x+2

    sum is

    x+x+1+x+2=87

    3x+3=87

    minus 3 both sides

    3x=84

    divide both sides by 3

    x=28

    x+1=29

    x+2=30

    the smallest number is 28
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