1. a boat travels 171 miles in 5 hours (with a constant speed). How much time will it take traveling 219 miles?
2. from previous question.. how many miles can the boat travel in one hour?
1) (219/171) x 5=6.4 hours, or 6 hours and 24 minutes to travel 219 miles.
2) 171/5=34.2 miles per hour.