SOLUTION: 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?

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Question 318506: 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?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let C be the total cost, H the number of hours.
C=30%2B5H
C=50
.
.
.
30%2B5%2AH=50
5%2AH=20
highlight%28H=4%29