Caden exercises daily by walking on a treadmill. He sets the machine so that he will walk at a steady rate of 3.6 miles per hour.


a. If t represents time in hours and d represents distance in miles, write an equation that models the relationship between these variables.


b. Use your equation to calculate the distance Caden will walk in 3/4 of an hour.


c. Use your equation to calculate how long it will take for Caden to walk 4.32 miles.