find the unit price for each bottle of conditioner. which bottle of hair conditioner is the best buy? 6. 8…

find the unit price for each bottle of conditioner. which bottle of hair conditioner is the best buy? 6. 8 oz for $1.49 7. 12 oz for $2.29 8. 15 oz for $2.75 9. 20 oz for $3.89
Answer
Answer:
The unit - prices and the best - buy: 6. Unit price: $$0.18625$ per oz. 7. Unit price: $$0.19083$ per oz. 8. Unit price: $$0.18333$ per oz. 9. Unit price: $$0.1945$ per oz. The best - buy is the 15 - oz bottle for $$2.75$.
Explanation:
Step1: Calculate unit price for 6
Divide price by ounces: $\frac{1.49}{8}= 0.18625$.
Step2: Calculate unit price for 7
Divide price by ounces: $\frac{2.29}{12}\approx0.19083$.
Step3: Calculate unit price for 8
Divide price by ounces: $\frac{2.75}{15}\approx0.18333$.
Step4: Calculate unit price for 9
Divide price by ounces: $\frac{3.89}{20}=0.1945$.
Step5: Determine best - buy
Compare unit prices, the lowest is best. $0.18333$ (15 - oz bottle) is the lowest.