At smiths bike rentals, it costs $36 to rent a bike for 7 hours. How many dollars does it cost per hour of bike use

To find the cost per hour of bike use, we can divide the total cost by the number of hours the bike is rented for:

Cost per hour = Total cost / Number of hours
Cost per hour = $36 / 7 hours
Cost per hour = $5.14

Therefore, it costs approximately $5.14 per hour to rent a bike at Smith's Bike Rentals.