5. The demand for apples is given by the equation xp = 300 , where x is the number of pounds demanded and p is the price per pound. If the price is increasing at a rate of 1.50 dollars per week, when the demand is 60 pounds, at what rate is the demand changing? ' ' ' ' 6. A ladder 26 feet long leans against a building. The ladder slides DOWN the wall a rate of 5 feet per second. How fast is the ladder moving away from the building when it is 24 feet om the building? 1 2 a) 1% per second b) 6 per second c) 3 it per second (1) 5 per second 3 5 15 12