4-14 Practice Problems 3 of 33 of 3 Items

Question
Robert wants to join a gym.

Gym A: $15 joining fee and $30 monthly charge.

Gym B: No joining fee and $35 monthly charge.

Enter the number of months it will take for the total cost for both gyms to be equal.

It will take
months for the gyms to cost the same total amount.

5 months

Step-by-step explanation:

Equation A: 15+30x

Equation B: 35x

In 5 months Gym a will cost 15+30(5) or $175 and Gym B will also cost $175.
Basically all you have to do is apply reasonable numbers until you find out where the costs will meet up.

b. x- 48 =120

step-by-step explanation:

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315