Ejercicio de algebra. Reducir:

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other