I need help------
Kelsey has the following coupons:
Coupon 1: Save $0.50 off the total price when you buy 2 regular-size boxes of Crunchy Crisp Crackers.
Coupon 2: Save $0.30 off the price when you buy 1 large-size box of Crunchy Crisp Crackers.
Which coupon should Kelsey use to pay the lower price per ounce for the crackers?
Additional Information: Regular-size box = $1.75 : 10 oz
Large-size box = $3.75 : 22 oz