SOLUTION: 10. The Party Room at Penny's Pizza rents for an initial fee of $30 and then $5 per hour. Aislyn's bill for her birthday party was $50. For how many hours did she rent the room?

Algebra ->  Inequalities -> SOLUTION: 10. The Party Room at Penny's Pizza rents for an initial fee of $30 and then $5 per hour. Aislyn's bill for her birthday party was $50. For how many hours did she rent the room?      Log On


   

Question 577561: 10.
The Party Room at Penny's Pizza rents for an initial fee of $30 and then $5 per hour. Aislyn's bill for her birthday party was $50. For how many hours did she rent the room? (2 points)
6 hours
16 hours
4 hours
10 hours
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
y = 5x + 30

50 = 5x + 30

50 - 30 = 5x

20 = 5x

20/5 = x

4 = x

x = 4


So she rented the room for 4 hours.