Question

A 12-ounce bottle of shampoo costs 4.20 dollars. A 16-ounce bottle of shampoo costs 6.88 dollars. Which shampoo costs less per ounce? How do you know?

Answer 1

A 12-ounce bottle of shampoo costs 4.20 dollars. A 16-ounce bottle of shampoo costs 6.88 dollars. The correct answer is 12 ounce bottle.

How did we figure this out?

The first bottle cost $0.35 per ounce, whereas the second bottle cost $0.43 per ounce. The cost of the shampoo bottle and divide it by the amount of ounces it has.

Therefore, A 12-ounce bottle of shampoo costs 4.20 dollars. A 16-ounce bottle of shampoo costs 6.88 dollars. The correct answer is 12 ounce bottle.