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25-06-2015
Mathematics

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The sum of three consecutive integers is 63. What is the lowest of the three integers?

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25-06-2015

One number be x
x+(x+1)+(x+2)=63
x+x+1+x+2=63
3x+3=63
3x=63-3
3x=60
x=60:3
x=20
smallest number = x=20
middle number = x+1= 20+1=21
largest number = x+2 =20+2= 22

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