John buys 8 packs of cookies at the grocery store. The cookies are on sale for 50 cents off per pack. He spends $20. Which equation can be used to find the original cost of a box of cookies, c?

Question

8 (c + 0.50) = 20

8(c - 0.50) = 20

Answer 1

The correct equation is:

8 (c - 0.50) = 20