Asked by Daniel
Help please
find three consecutive numbers, which are in arithmetic progression whose sum is 39
find three consecutive numbers, which are in arithmetic progression whose sum is 39
Answers
Answered by
Steve
let the numbers be x-1,x,x+1
The sum is 3x = 39
so, the middle number is 13
The sum is 3x = 39
so, the middle number is 13
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