SAT Math Practice Question #34864 - SATify | SATify

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SAT Math Practice Question #34864 - SATify | SATify

#34864

equations

algebra

hard

90 sec

The given equation relates the positive numbers $V, P, Q,$ and $R$ . Which equation correctly expresses $R$ in terms of $V, P,$ and $Q$ ?

$V = P (\frac{1}{Q} - \frac{1}{R})$

A.

$R = \frac{PQ}{P - V Q}$

B.

$R = \frac{PQ}{P + V Q}$

C.

$R = \frac{V Q}{P - V Q}$

D.

$R = \frac{V Q}{P + V Q}$