Question

Please help me!! I really NEED IT

Answer 1

Explanation:

1) Today's cost of 7 cookies = $ 2.80

Today's cost of 1 cookie = 2.80/7

Normal price of cookie = c

`c=0.75+(2.80)/(7)\\\\`

2) c = 0.75 + 0.40

c =$ 1.15