SAT Math Practice Question #15048 - SATify | SATify

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SAT Math Practice Question #15048 - SATify | SATify

#15048

equations

algebra

medium

30 sec

The equation $R = \frac{S}{t - u}$ relates the positive numbers $R$ , $S$ , $t$ , and $u$ , where $t > u$ . Which equation correctly expresses $t - u$ in terms of $R$ and $S$ ?

A.

$t - u = RS$

B.

$t - u = \frac{S}{R}$

C.

$t - u = R - S$

D.

$t - u = \frac{R}{S}$