If A $ B = A * B ( A + B), what is 3 $ (2 $ 1)? - ProProfs Discuss
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If A $ B = A * B - ( A + B), what is 3 $ (2 $ 1)?



A. -5
B. -3
C. 0
D. 1
E. 4

This question is part of SAT Math Questions
Asked by Wyatt Williams on Apr 07, 2017

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4 Answers

John Adney

John Adney

Answered on May 15, 2017

First you find out the value of (2$1) which is 2$1 = 21-(2+1)=-1.
Next you solve 3$-1=3(-1)-(3+(-1))=-5
 Reply

John Adney

John Adney

Answered on May 02, 2017

What does the damn dollar sign fucking mean bruh like hell
 Reply

her.aries

Her.aries

Answered on Apr 06, 2017

I don't get itcould you explain it by o​ther way? please
 Reply

John Smith

John Smith

Answered on Apr 07, 2017

-5

First, use the order of operations to find the parenthetical value of (2 $ 1), which is 21-3 or -1 Next, plug in -1 for (2 $ 1) to find 3 $ -1 = 3 -1 - (3 - 1) = -3 - 2 = -5
 Reply

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