Answers

2016-07-12T21:17:11+08:00
Let X= number

1/x + 1/(x-8)=6/x
1/(x-8)= 6/x - 1/x
1/(x-8)=5/x
cross multiply...
x=5(x-8)
x= 5x- 40
40= 5x-x
40= 4x
x=10 (original number)
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