Renee sells 6 gifts in 20 minutes. How many might she sell in 4 hrs

Renee sells 6 gifts in 20 minutes. How many might she sell in 4 hrs

What is 4 hours in minutes?
4 hours = 4 * 60 = 240 minutes.

Now we are on a minutes to minutes basis, set up a proportion:
6/20 = x/240 where x is the number of gifts in 240 minutes (4 hours)

Using our proportion calculator, we get:
x = 72