The joneses are moving from san francisco to south africa. they pack their belongings in rectangular crates and hire a boxcar to ship the crates across land and sea. the crates are made specifically to fit inside the boxcar with their bases facing down. each crate has a base 15 ft long by 5 ft wide and height 6.5 ft. the boxcar is 60 ft long, 10 ft wide and 13 ft high. how many crates can the joneses fit into one boxcar?