A 3/4 full container of sand weighs 1,003 pounds. When the container is 7/12 full of sand, it weighs 830 pounds. The empty container weighs how many pounds?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)