Last week rachel power walked 2 3/5 miles per day on each of the 7 days. during the same week, she also jogged 5 3/4 miles per day on 4 day . what was the total number of miles rachel power walked and jogged last week?

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?