If i have two late math assignments and it's 12: 30am and i have to be awake in 5-1/2 hours, do i sleep now and finish the math in the morning and at lunch or do homework first?

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Does anyone know how to do geometryme with this problem

If you answer 2+2 you will get over 80 points