SAT Math Practice Question #15362 - SATify | SATify

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SAT Math Practice Question #15362 - SATify | SATify

#15362

equations

algebra

hard

90 sec

The equation $\frac{4}{p} - \frac{1}{q} = \frac{3}{r}$ relates the variables $p, q,$ and $r$ , where $p, q, r > 0$ . Which expression is equivalent to $p$ ?

A.

$\frac{q r}{4 ( 3 q + r )}$

B.

$\frac{4 ( 3 q + r )}{q r}$

C.

$\frac{3 q + r}{4 q r}$

D.

$\frac{4 q r}{3 q + r}$