Question: Solve with I=prt or a = p + i Isabel bought a new TV for $800. She did not have to pay for 20 months,

Solve with I=prt or a = p + i

Isabel bought a new TV for $800. She did not have to pay for 20 months, but she owed $986.67 at the end of the 20 months. What interest rate was she charged?

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