alexisfoster alexisfoster

02-05-2017
Mathematics

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The sum of 5 consecutive integers is 270.
What is the second number in this sequence?

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annarambulo annarambulo

02-05-2017

n
n+1
n+2
add all three equations, set the sum as 270
eventually, you get 3n+3=270
3n=270-3
3n=267
n=89, 90, 91

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