SAT Math Practice Question #14668 - SATify | SATify

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SAT Math Practice Question #14668 - SATify | SATify

#14668

equations

algebra

formulas

hard

120 sec

The formula $P = Q - \frac{7}{10} (R + S)$ is used in a scientific model involving variables $P, Q, R, S$ . Which of the following expresses $S$ in terms of $P, Q,$ and $R$ ?

A.

$S = \frac{10}{7} (Q - P) - R$

B.

$S = \frac{10}{7} (Q - P) + R$

C.

$S = \frac{7}{10} (Q - P) - R$

D.

$S = \frac{10}{7} (P - Q) - R$