Anya and Ilya each can run at a speed of 7.20 miles per hour and walk at a speed of 4 mph. They set off together on a route of length 5 miles. Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half.
Part A Determine how long does it take Anya to cover the distance of 5 miles?
Part B Determine Anya average speed.
Part C Determine how long does it take Ilya to cover the distance?
Part D Now determine Ilya's average speed.