Question

Gym A has an membership

fee of $100 and a monthly
cost of $30. Gym B has a
membership fee of $70 and a
monthly cost of $40. How
many months until both cost
the same?

Answer 1

3 months until both costs are the same

Explanation:

30x+100 = 40x+70

-30 -30

100 = 10x+70

-70 -70

30 = 10x

30/10 10x/10

30/10 = 3

Answer 2

Answer: 3months

Explanation:

130 160 190 220 250 280 310 340 370 400

110 150 190 230 270 310 350 390 430 470 510

After 3 months they will both be at 190