Angie Delgado

Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4 in., how many cubic yards of dirt does he need? If dirt costs $25 per yd3, how much will the project cost? (Hint: 1 yd3 = 27 ft3)

a cylinder with base area 24π cm2 and height 16 cm