(a) boris runs 4 miles in 38 minutes. how many miles does he run per minute?
(b) at garcia's bike rentals, it costs $22 to rent a bike for 5 hours. how many dollars does it cost per hour of bike use?
if necessary, round your answers to the nearest hundredth.

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?