These are the equations given:
31=B+J
B=2J+4
So you substitute B=2J+4 into 31=B+J
31=2J+4+J
Solve
31-4=3J+4-4
27=3J
27/3=3J/3
9=J
Jake has 9 cd's.
Answer: -46
Step-by-step explanation: First you would do 2 x 2 because of Pemdas and the answer to that is 4 and when you subtract 4 from 50 you get -46
Answer: at 4 months the cost for each gym is $250
Step-by-step explanation:
