Problem of the Day

Chapter 7, Lesson 5

Ben has a room air-conditioning unit installed in the window of his apartment. On medium speed, air enters Ben's air conditioner at the rate of 75 lb/h and the unit can remove moisture at the rate of 1.5 lb/h.

On a humid summer afternoon, Ben turned his air conditioner on to high speed when it could remove moisture at the rate of 2 lb/h.

What is the percent of moisture that the unit can remove on high speed when compared to medium speed? (7-5)