(Solved): An off-roader explores the open desert in her Hummer. First she drives 25 west of north with ...

An off-roader explores the open desert in her Hummer. First she drives 25 ∘∘ west of north with a speed of 7.0 km/hkm/h for 15 minutes, then due east with a speed of 13 km/hkm/h for 7.5 minutes. She completes the final leg of her trip in 22 minutes