the unit price- A 64 oz bottle of juice costs $2.39, and a 20 oz bottle costs $0.79. you can use a 20-cents-off coupon if you buy four 20 oz bottles or a 15-cents-off coupon if you buy a 64 oz bottle. which is the better buy? show work^
20x4= 80oz do .79x4 then after you times that do -.20 see what u get that would be how much the 4 20 oz bottle cost then do .239-.15 to get how much the 69 oz bottle cost
