How do you find the unit rate of Three medium apples have about 285 calories?

1 Answer
Jan 20, 2017

Divide the total amount by the number of units.

Explanation:

A “unit rate” is the average rate for a single unit. This is found by dividing the total amount of an item by the number of units in the group.

In this case we have the ratio of #(3/285)# #("Apples")/("calories")#.
We want to know the calories per unit (apple), so we invert this to #(285/3) ("calories")/("Apples")#, which when reduced by performing the indicated division is #95 ("calories")/("Apple")#