Question

Given x/12=5/4, which is proportional to x+5/x-5?
(RATIO HELP!)

Answer 1

\[\frac{x}{12}=\frac{5}{4}\iff x=\frac{12\times 5}{4}=3\times 5=15\]
\[\frac{15+5}{15-5}=\frac{20}{10}=2\]

Answer 2

thank you!

Answer 3

yw