A woman bought some large frames for $12 each and some small frames for $4 each at a closeout sale. If she bought 16 frames for $112, find how many of each type she bought.

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?