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06-07-2017
Mathematics

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the sum of three consecutive even integers is 90. Find the three even integers?

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apologiabiology apologiabiology

06-07-2017

consuetive even integers are 2 apart
so the numbers are x, x+2, x+4

so
the sum
x+x+2+x+4=90
3x+6=90
minus 6 both sides
3x=84
divide both sides by 3
x=28
x+2=30
x+4=32
the numbers are 28,30,32

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