How can you use a rate to compare the cost of two boxes cereal that are different sizes?

To compare the cost of two boxes of cereal that are different sizes, you can use a rate. A rate is a comparison of two measures, such as price and quantity. In this case, you would compare the price of each box of cereal to the amount of cereal inside.

1. Divide the price of each box of cereal by the amount of cereal in grams

$$rate_1=\frac{Price_1\space in \space cents}{Gram_1}$$

$$rate_2=\frac{Price_2\space in \space cents}{Gram_2}$$

To find the best value, compare the rates of the two cereals. To calculate which cereal offers

more savings, the lower cost amount per gram is the better deal.