2 glasses of milk and 3 snack bars have a total of 73 carbohydrates​ (carbs), and 4 glasses of milk and 2 snack bars have a total of 86 carbs. Determine how many carbs are in one glass of milk and in one snack bar. There are ___ carbs in one glass of milk.

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