Posted by **Beebee** on Friday, December 13, 2013 at 8:37am.

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking account over the period September 1, 2008 through March 31, 2009?

- math -
**Reiny**, Friday, December 13, 2013 at 9:16am
I count 7 months, so

rate of change per month = (800 - 1050)/7

= - $35.71

balance is declining at a rate of appr $36 per month

- math -
**Anonymous**, Monday, October 13, 2014 at 9:54am
A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking account over the period September 1, 2008 through March 31, 2009?

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