document.write( "Question 251491: a teacher borrowed a certain amount of money at rate of 5% annually for 13 months. If he paid $800 after 6 months, find the principal \n" ); document.write( "
Algebra.Com's Answer #183169 by stanbon(75887)\"\" \"About 
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a teacher borrowed a certain amount of money at rate of 5% annually for 13 months. If he paid $800 after 6 months, find the principal
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\n" ); document.write( "A(t) = P(1+rt)
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\n" ); document.write( "800 = P(1+0.05(13/12))
\n" ); document.write( "P = 800/[1.0542]
\n" ); document.write( "P = $758.89
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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