Asmall pipe can fill a tank in 3 min more time than it takes a larger pipe to fill the same tank. working together, the pipes can fill the tank in 2 min. how long would it take each pipe, working alone, to fill the tank?

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?