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Mathematics 19 Online
OpenStudy (anonymous):

Regina's average balance checking account pays simple interest of 3.6% annually, and she made $2.31 in interest last month. What was Regina's average balance last month? A. $770.00 B. $77.00 C. $7.70 D. $7700.00

OpenStudy (mathstudent55):

If she earns 3.6% annually, how much does she earn monthly?

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