How many minutes has she already used this month?

Question

Susan’s cell phone plan allows her to use 950 minutes per month with no additional charge. She has 188 minutes left for this month. How many minutes has she already used this month?

Answer 1

Susan has 950 minutes to use in one month.

 

Of those 950 minutes, Susan has 188 left.

 

950-188=762

 

Susan has used 762 minutes.