Vivi is a drummer for a band. she burns 756 calories while drumming for 3 hours. she burns the same number of calories per hour. how many calories does vivi burn per hour?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work