Question : Tina's Material Company hauls gravel to a construction site, using : 80489

Tina's Material Company hauls gravel to a construction site, using a small truck and a large truck. The carrying capacity and operating cost per load are given in the accompanying table. Tina must deliver a minimum of 160 cubic yards per day to satisfy her contract with the builder. The union contract with her drivers requires that the total number of loads per day is a minimum of 9. How many loads should be made in each truck per day to minimize the total cost?

Capacity in cubic yards for a small truck are 20 and for a large truck are 80.

Cost per load for a small truck are $82 and for a large truck are $47.