14. this week, anita spent 3 1/2 h practicing the piano. she also spent 6 1/4 h at soccer practice and 4 1/3 h on the telephone. a) how much time, in total, did anita spend on the piano and at soccer? b) how much more time did anita spend at soccer than on the phone?
this is fractions

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