Palmolive liquid detergent is $2.56 for a 64-oz bottle and $1.32 for a 22-oz bottle. Which is the better buy, and by how much?
A) the 64-oz bottle; by $0.02 per ounce
B) the 64-oz bottle; by $1.24 per ounce
C) the 22-oz bottle; by $0.02 per ounce
D) the 22-oz bottle; by $1.24 per ounce
E) the cost per ounce is the same for both sizes

Question

Quizplus · Accepted Answer

To find out which is the better buy, we need to calculate the cost per ounce for each size:
Cost per ounce of 64-oz bottle = 2.56/64 = 0.04
Cost per ounce of 22-oz bottle = 1.32/22 = 0.06

Therefore, the 64-oz bottle is the better buy, and by $0.02 per ounce.

Palmolive Liquid Detergent Is $2