PLEASE ANSWER CORRECTLY!
Olivia is buying juice boxes for a party. She is comparing two brands to determine the best price. A case of All Natural Juice costs $2.80 and has 8 boxes of juice. A case of Just Juice costs $1.98 and has 6 boxes of juice.

(a) What is the unit price (cost per box) for All Natural Juice?

(b) What is the unit price (cost per box) for Just Juice?

(c) She spends $8.40 on several cases of All Natural Juice. She wants to buy the same number of boxes of Just Juice. How many cases of Just Juice will she need to buy?

(d) How much will the cases of Just Juice from problem (c) cost?