A volunteer is making gumbo for a local fundraiser, and the gumbo requires shrimp, cans of tomato sauce, and cups of rice. At the store, shrimp costs $10.99 per pound, each can of tomato sauce costs $1.25, and rice is $0.50 per cup. He pays a total of $674.50. The number of cups of rice purchased is twice the number of pounds of shrimp purchased. The number of cans of sauce purchased is 40 less than twice the pounds of shrimp purchased. How much of each ingredient did the volunteer buy for the gumbo?

pounds of shrimp =

cans of tomato sauce =

cups of rice =