document.write( "Question 1102511: Patrick invested %5200 for 21 years. At the investment's maturity, it's value was $13280.80 What was the annual simple interest rate?\r
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document.write( "A) 155.4% B) 7.4% C) 8.2% D) 2.6% \n" );
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Algebra.Com's Answer #717520 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 13280.8-5200=8080.80 \n" ); document.write( "8080.80/5200=1.554 \n" ); document.write( "1.554/21=.074, or 7.4% annual interest \n" ); document.write( "☺☺☺☺ \n" ); document.write( " |