Solve the all parts of given problemproblem an off-roader, Ask an Expert

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Solve the all parts of given problem:

Problem: An off-roader explores the open desert in her Hummer. First she drives 25 degrees west of north with a speed of 7.0km/h for 15 minutes, then due east with a speed of 12km/h for 7.5 minutes. She completes the final leg of her trip in 22 minutes.

Part A: What is the direction of travel on the final leg?

Part B: What is the speed of travel on the final leg?

I need help to solve the above problem and assume her speed is constant on each leg, and that she returns to her starting point at the end of the final leg.

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