SAT Math Practice Question #22431 - SATify | SATify

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SAT Math Practice Question #22431 - SATify | SATify

#22431

algebra

systems

hard

120 sec

Integers $a$ , $b$ , and $c$ satisfy $ab + c = 17$ , $b c + a = 11$ , and $c a + b = 13$ . What is $ab + b c + c a$ ?

A.

25

B.

28

C.

31

D.

34

E.

37