SAT Math Practice Question #26132 - SATify | SATify

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SAT Math Practice Question #26132 - SATify | SATify

#26132

algebra

Relative Motion

medium

120 sec

For real numbers $a$ and $b$ ,

\frac{\frac{1}{a} + \frac{1}{b}}{\frac{1}{a} - \frac{1}{b}} = 5.

What is $\frac{a - b}{a + b}$ ?

A.

$- 5$

B.

$- \frac{1}{5}$

C.

$\frac{1}{5}$

D.

$1$

E.

$5$