Chapter 4.3, Problem 6MP

A company that rents small moving trucks wants to purchase $16$ trucks with a combined capacity of $19,200$ cubic feet. Three different types of trucks are available: a cargo van with a capacity of $300$ cubic feet, a $15$ foot truck with a capacity of $900$ cubic feet, and a 24-foot truck with a capacity of $1,500$ cubic feet. How many of each type of truck should the company purchase?