posted by sabina brown on .
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?
I think not sure
Rate of change = change of amount in account/change of amount in time
800-1050/2-9=-250/-7 negatives cancel =$35.71
However $35.71x7+800=1049.97 so does the problem ask to round?
the monkey stole my banana
y = 2x + 5y = 2x + 5
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