A company that rents small moving trucks wants to an inventory of 40 trucks (hint: the 40 trucks will give you an equation.) with a combined capacity of 42,000 cubic feet. Three different types of trucks are available: a 10-foot truck with a capacity of 350 cubic feet, a 14-foot truck with a capacity of 700 cubic feet, and a 24-foot truck with a capacity of 1,400 cubic feet. How many of each type of truck should the company purchase? Give the row reduced matrix and write a sentence interpreting its meaning. List the purchasing options for the company