Cookies are on sale! Today each cookie costs $0.75$0.75dollar sign, 0, point, 75 less than the normal price. Right now if you buy 777 of them it will only cost you $2.80$2.80dollar sign, 2, point, 8

Cookies are on sale! Today each cookie costs $0.75$0.75dollar sign, 0, point, 75 less than the normal price. Right now if you buy 777 of them it will only cost you $2.80$2.80dollar sign, 2, point, 80!