Question

If the numerator of a fraction is increased 15% and its denominator s diminished by 8% the value of the fraction is 15/16 find the original fraction

Answer 1

Answer:

$let \: the \: orginal \: fraction \: be \: x |y \\ then \: (115\% \: of \: x) | \: (92\% \: of \: y) = 15 | \: 16 = > (115x |92y = 15 | \: 16 \\ |(15 | \: 16)| \: \: \: \: \: (92 | \: 115) = 3 \: | \: 4$