Question

Zorah, a musician, pays $120 to have her instrument tuned and $10 per hour for a booth at a fair. She estimates that she earns $25 per hour in tips. The equation can be used to represent the break-even point. 120 + 10x = 25x How many hours, x, will Zorah have to play in order to break even?

Answer 1

Subtracting 10x from the given equation gives
  120 = 15x
Then dividing by 15 gives
  8 = x

Zorah will have to play 8 hours in order to break even (cover her expenses exactly).

Answer 2

Answer:

c

Step-by-step explanation:

8