Alia buys three erasers that cost $0.50. each, two notebooks that cost $5.00 each, and six pencils that cost $0.75 each. which expression shows how much money alia spent on supplies?

The answer is C. You need to multiply the amount and the price by each other and add all of them together. SO for an example, you had 3 erasers for $0.50. So you have to write 3(0.50). This is why the answer is C. I hope this helps.