Answer: 2700 miles
Explanation:
Given : Nate' s mother drives 225 miles back and forth to work each month.
We know that there are 12 months in a years.
Therefore, by using the MULTIPLICATION OPERATION, we have
The number of miles she drives back and forth to work in one year will be :_
Miles drive each month x Number of months in a year

Hence, she drives 2700 miles back and forth to work in one year.