Use any of bottom numbers once (you dont have to use them all) to make the top number hint you may need to use brackets 783,75,5,4,2,9,1

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