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11 votes
11 votes
Karl wants to rent a bike for at most $55. He can rent a bike for $7 per hour plus a $9.50 flat fee. Any portion of an hour is charged as a full hour.

What is the maximum number of hours Karl can Rent the bike?

Karl wants to rent a bike for at most $55. He can rent a bike for $7 per hour plus-example-1
User Richard Askew
by
3.0k points

1 Answer

30 votes
30 votes
Answer 6 hours
Reason
7x + 9.50 = 55
-9.50. -9.50 subtract from both sides
_____________
7x = 45.50

Divide both sides by 7 to isolate x
X = 6.5
So he can rent for 6 hours (the .5 would be charged as a full hour per the problem)
User Daneye
by
3.2k points