Since 6 trucks a day of either kind will deliver more than theOriginally Posted bycobragrrll

required minimum 200 cubic yds (240 and 360 cubic yds respectively

for the small and large trucks). The cost is minimised by using

6 truck of whichever size has the least cost per load.

In this case it is 6 large trucks, which deliver 360 cubic yards

per day for a cost of $258.

RonL