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Mathematics 22 Online
OpenStudy (anonymous):

please help me Mr hicks earned 21.90 by investing 3650$ in a savings acount earning simple interest for three month. write an eqaution to find the annual interest rate.

OpenStudy (nincompoop):

what is the simple interest formula?

OpenStudy (anonymous):

is it PRT?

OpenStudy (nincompoop):

is it?

OpenStudy (nincompoop):

http://www.mathsisfun.com/money/interest.html

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