Cookies are on sale! Today each cookie costs 0.75 less than the normal price. Right now it you buy 7 of them it will only cost you 2.80! Write an equation to determine the normal price of each cookie.

Step-by-step explanation:

Let x represent the normal price of each cookie.

Today each cookie costs 0.75 less than the normal price. This means that the price of buying one cookie today would be

x - 0.75

Right now it you buy 7 of them it will only cost you 2.80. Therefore, the equation to determine the normal price of each cookie would be expressed as

7 (x - 0.75) = 2.80

Expanding the brackets, it becomes

7x - 5.25 = 2.8

7x = 2.8 + 5.25

7x = 8.05

Divide both sides of equation by seven $.75 equals $2.80/7 and $.75 to both sides of the equation 40+75 equals $1. and $.15