saniamamas
contestada

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?

Respuesta :

yannalisha12

Answer: 3months

Step-by-step 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

Answer:

3 months until both costs are the same

Step-by-step explanation:

30x+100 = 40x+70

-30             -30

        100  = 10x+70

       -70              -70

        30 = 10x

     30/10   10x/10    

      30/10 = 3

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