SAT Math Practice Question #24012 - SATify | SATify

Home Practice Exams Features Pricing Quick Start Guide About

Loading...

SAT Math Practice Question #24012 - SATify | SATify

#24012

algebra

arithmetic

easy

60 sec

If $a \oplus b = \frac{ab}{a + b}$ for $a, b$ positive integers, then what is $5 \oplus 3$ ?

A.

$\frac{8}{15}$

B.

$\frac{15}{8}$

C.

$\frac{15}{25}$

D.

$\frac{25}{15}$

E.

$8$