Question

Which is the better buy?
3-gallon jug of water for $10.92
8-quart jug of water for $8.64

Answer 1

3-gallon jug of water for $10.92, is the better buy

Explanation:

First let's do the 3 gallon jug -

We need to find the unit rate (The cost per gallon/quart)

$10.92 / 3 = $3.64

$8.64 / 8 = $1.08

1 Gallon = 4 Quarts, therefore the 3-gallon jug of water is the better buy.