Write a formula that will help james find the price per milliliter for each brand

Step-by-step explanation:

The complete question is

James has to buy juice for his class party. there are several brands of juice at the store, and each container is a different size and price. write a formula that will help James find the price per milliliter for each brand.

x=price of juice

y=number of milliliters in carton

z=price per milliliter

we know that

The price per milliliter for each brand, is the same that the unit rate

so

To find out the unit rate , divide the price of juice by the number of milliliters in carton

so