SOLUTION: Find four consecutive numbers which, when added together, total 80.

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Question 107184: Find four consecutive numbers which, when added together, total 80.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
x+x+1+x+2+x+3=80
4x+6=80
4x=80-6
4x=74
x=74/4
x=18.5 for the first (lowest) number
18.5+1=19.5 for the next number
18.5+2=20.5 for the next number
18.5+3=21.5 for the largest number
proof:
18.5+19.5+20.5+21.5=80
80=80