86.1k views
0 votes
How can you use a rate to compare the costs of 2 boxes of cereal that are different sizes

User Ksemel
by
7.7k points

1 Answer

3 votes
You'd have to use their weights and work out price/gram or you could alternately work out the volume (this is pretty hard because most cereals come in very awkward plastic containers so I recommend price/gram).

So just do this for both boxes:
Price / Mass (in grams)

The one with the greater value will be the less cost-effective method.
User Ajayian
by
7.8k points