SAT Math Practice Question #28618 - SATify | SATify

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SAT Math Practice Question #28618 - SATify | SATify

#28618

algebra

inequalities

easy

60 sec

The length of the interval of solutions of the inequality $a \leq \frac{1}{2} x + 7 \leq b$ is $12$ . What is $b - a$ ?

A.

3

B.

6

C.

12

D.

18

E.

24