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09-06-2016
Mathematics

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find all sets of four consecutive integers whose sum is between 95 and 105

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09-06-2016

Hello,

Let n-2,n-1,n,n+1 the foru numbers
s=n-2+n-1+n+n+1=4n-2

95<=4n-2<=105
==>97<=7n<=107
==>24.25<=n<=26.75
==>25<=n<=26
if n=25 s=98
if n=26 s=102

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