document.write( "Question 568281: If a business borrows $15,000 and repays $21,300 in 4 years, what is the simple interest rate? \n" ); document.write( "
Algebra.Com's Answer #366887 by stanbon(75887)\"\" \"About 
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If a business borrows $15,000 and repays $21,300 in 4 years, what is the simple interest rate?
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\n" ); document.write( "A(t) = P(1+rt)
\n" ); document.write( "21300 = 15000(1 + r*4)
\n" ); document.write( "1.42 = 1 + 4r
\n" ); document.write( "4r = 0.42
\n" ); document.write( "r = 0.1050 = 10.5%
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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