SAT Math Practice Question #30353 - SATify | SATify

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SAT Math Practice Question #30353 - SATify | SATify

#30353

algebra

equations

easy

60 sec

The given equation relates the positive numbers $K$ , $R$ , and $S$ . Which equation correctly expresses $S$ in terms of $K$ and $R$ ?
$K = 3 (R + S)$

A.

$S = K - 3 R$

B.

$S = \frac{K - R}{3}$

C.

$S = \frac{K}{3} - R$

D.

$S = \frac{K}{3} + R$