Question

What is the value of $\frac{P+Q}{P-Q}$ if $\frac{P}{Q}=7?$

Answer 1

$\frac{P}{Q}=7$

Or, $P=7Q$ .............(1)

Using the value of P from Eq.1 we have:

Then,$\frac{7Q+Q}{7Q-Q}=\frac{8Q}{6Q}=\frac{4}{3}$