Question

Arturo's gym membership costs $100 per year plus $20 per month. Which equation represents the cost of membership for x months?

a) y= 0.2x + 100
b) y= 2x + 100
c) y= 20x + 100
d) y= 100x + 20

Answer 1

c) y=20x+100 is the answer.

Answer 2

C is the correct answer

If y is the total cost then 100 is the initial cost 20x is the cost per month because for every month (x) it costs 20 more.

Let me know if I can explain this further.