SAT Math Practice Question #29202 - SATify | SATify

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SAT Math Practice Question #29202 - SATify | SATify

#29202

average

algebra

easy

90 sec

Suppose $[a$ $b]$ denotes the average of $a$ and $b$ , and ${a$ $b$ $c}$ denotes the average of $a$ , $b$ , and $c$ . What is ${[1$ $0]$ $[2$ $2]$ $3}$ ?

A.

$\frac{1}{2}$

B.

$\frac{11}{12}$

C.

$\frac{5}{6}$

D.

$\frac{11}{6}$

E.

$2$