SOLUTION: If a number is added to the numerator of 7 8 and twice as much is added to the denominator, the result is 8 13 . Find the number.

Algebra ->  Average -> SOLUTION: If a number is added to the numerator of 7 8 and twice as much is added to the denominator, the result is 8 13 . Find the number.      Log On


   



Question 1153395: If a number is added to the numerator of
7
8
and twice as much is added to the denominator, the result is
8
13
.
Find the number.

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Not wellwritten



%287%2Bp%29%2F%288%2B2p%29=8%2F13
13%28p%2B7%29=8%282p%2B8%29
13p%2B91=16p%2B64
91-64=3p
27=3p
highlight%28highlight%28p=9%29%29

Answer by ikleyn(52797) About Me  (Show Source):