The 12 ounces bottle of shampoo cost less
Rate :
Rate is a ratio that compares two quantities of different units. Therefore,
12 ounce of shampoo cost $4.20. Therefore, the rate is as follows
- rate = 4.20 / 12 = $0.35 per ounce
16 ounces bottles cost $6.88. Therefore, the rate is as follows:
- rate = 6.88 / 16 = $0.43 per ounce
Therefore, the 12 ounces bottle of shampoo cost less. The 12 ounces bottle of shampoo cost $0.35 per ounce while the 16 ounces bottles of shampoo cost $0.43 per ounce.
learn more on rate here: https://brainly.com/question/11292221