Question

Explain how you can compare the cost of two items that
are different sizes.

Answer 1

Compare the cost for the each (smallest) unit.

Explanation:

You can calculate the cost per unit

For example :

20 ounces of water of brand A cost 1.50

30 ounces of water of brand A cost 2

20 ounces of water cost 1.50/20 = 0.075 dollar per ounce

30 ounces of water cost 2/30 = 0.0677 dollar per ounce

Explanation:

Answer 2

Find the unit price

Explanation:

When you find the unit price, you can compare the two items' unit prices and then from there, you can justify which one is better to buy;the one with the cheaper unit price will be the better one to buy.