the grocery store sells two brands of grape. Juice brand A contains 8 fl. oz and costs. $1.28. Brand B contains 12 fl. oz and costs $1.68.

Question

What is the difference in unit prices of brand A and brand B?
SHOW EXPLANATION

Answer 1

The unit price of brand A is $1.28 per 8 fl. oz, or $0.16 per fl. oz. The unit price of brand B is $1.68 per 12 fl. oz, or $0.14 per fl. oz. The difference in unit prices is $0.02 per fl. oz.