Celia donates 10.2 inches of her hair to a company that makes wings. danielle donates 2.4 fewer inches of her hair than celia. how many total inches of hair do the two girls donate combined

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