was five times the number of backpacks without wheels already in stock. After the new shipment arrived, there

were 330 backpacks in the store. Before the new shipment, there were x wheeled backpacks and y

backpacks without wheels. Which of the following equations can be used with x + y = 60 to solve for x and y?

a. 2x+5y=330

b. 2x+5y=270

c. 5x+2y=270

d. 5x+2y=330

were 330 backpacks in the store. Before the new shipment, there were x wheeled backpacks and y

backpacks without wheels. Which of the following equations can be used with x + y = 60 to solve for x and y?

a. 2x+5y=330

b. 2x+5y=270

c. 5x+2y=270

d. 5x+2y=330