SAT Math Practice Question #29162 - SATify | SATify

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SAT Math Practice Question #29162 - SATify | SATify

#29162

algebra

functions

medium

90 sec

If $a ⋆ b = \frac{ab}{a + b}$ , then $(12 ⋆ 4) ⋆ 2 =$

A.

$\frac{3}{5}$

B.

$\frac{6}{5}$

C.

$\frac{9}{5}$

D.

$2$

E.

$3$