One bottle holds 32 oz and sells for $3.15. The other bottle holds 24 oz and sells for $2.88. Which is the better buy?

Question

show work please!

Answer 1

The 32oz bottle is cheaper by the Oz than the 24oz bottle. If you divide the prices by the size you'll  see that $3.15÷32 = $0.0984375 an oz and $2.88÷24 = $0.12 an oz. The smaller bottle is about $0.02 more per oz.