Answer:
64 ounces is the best buy
Step-by-step explanation:
To figure which size is the best to buy, find the cheapest per ounces one
A: 16 ounces costs $2.56, each ounces cost 2.56/16 = $0.16
B: 36 ounces costs $5.40, each ounces cost 5.40/36 = $0.15
C: 64 ounces costs $8.96, each ounces cost 8.96/64 = $0.14
D: 96 ounces costs $14.40, each ounces cost 14.40/96 = $0.15
From the results above, C cost lowest per ounces,
64 ounces is the best buy
