Question

Which is the best unit rate? 8 ounces for $2.79 of 15 ounces for 5.54?

Answer 1

1st

Explanation:

1. 8 ounces for $2.79, then 1 ounce is for

`(\$2.79)/(8)=\$0.34875.`

2. 15 ounces for $5.54, then 1 ounce is for

`(\$5.54)/(15)=\$0.369\overline{3}.`

Since
`\$0.34875<\$0.369\overline{3},` the cheaper unit rate is the first one.