Name: SAT Math Help & School Math Mastery
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#31777

polygons

geometry

medium

60 sec

A school club has a total of $40$ members. There are $f$ freshmen members, $12$ sophomore members, and the number of junior members is twice the number of freshmen members. There are also $4$ senior members. Which equation must be true for the value of $f$ ?

A.

$f + 12 + 2 f + 4 = 40$

B.

$f + 12 + \frac{f}{2} + 4 = 40$

C.

$2 f + 12 + 4 = 40$

D.

$f + 2 f = 40 - 12 - 4$