Solve problem. See EXAMPLE.Range of Walkie-Talkies Tanner Jones and Sheldon Furst have rec...

Solve problem. See EXAMPLE.

Range of Walkie-Talkies Tanner Jones and Sheldon Furst have received walkie-talkies for Christmas. If they leave from the same point at the same time, Tanner walking north at 2.5 mph and Sheldon walking east at 3 mph, how long will they be able to talk to each other if the range of the walkie-talkies is 4 mi? Round your answer to the nearest minute.

EXAMPLE SOLVING A PROBLEM INVOLVING THE PYTHAGOREAN THEOREM