At Smith's Bike Rentals, it costs $40 to rent a bike for 9 hours. How many hours of bike use does a

[math_celebrity]

At Smith's Bike Rentals, it costs $40 to rent a bike for 9 hours. How many hours of bike use does a customer get per dollar?

Hours / Dollar = 9/40
Hours/Dollar = 22.5 cents or 23 cents