Questions: (a) Austin runs 9 miles in 74 minutes.
How many minutes does he take per mile?
(b) At Keller's Bike Rentals, it costs 33 to rent a bike for 6 hours. How many hours of bike use does a customer get per dollar?
Transcript text: (a) Austin runs 9 miles in 74 minutes.
How many minutes does he take per mile?
(b) At Keller's Bike Rentals, it costs $33 to rent a bike for 6 hours. How many hours of bike use does a customer get per dollar?
Solution
Solution Steps
Step 1: Calculate Minutes per Mile for Austin
To find out how many minutes Austin takes per mile, we need to divide the total time by the total distance. Austin runs 9 miles in 74 minutes.
Minutes per mile=9 miles74 minutes=974≈8.2222
Rounding to the nearest hundredth, we get:
Minutes per mile≈8.22
Step 2: Calculate Hours per Dollar for Keller's Bike Rentals
To find out how many hours of bike use a customer gets per dollar, we need to divide the total hours by the total cost. It costs \$33 to rent a bike for 6 hours.
Hours per dollar=33 dollars6 hours=336≈0.1818
Rounding to the nearest hundredth, we get:
Hours per dollar≈0.18
Final Answer
(a) Austin takes 8.22 minutes per mile.
(b) A customer gets 0.18 hours per dollar at Keller's Bike Rentals.