document.write( "Question 135128: find the unknown quantity for a account that earns simple annual interest.
\n" ); document.write( "A=$875. P=$500. r=?. t=30years
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Algebra.Com's Answer #98960 by stanbon(75887)\"\" \"About 
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find the unknown quantity for a account that earns simple annual interest.
\n" ); document.write( "A=$875. P=$500. r=?. t=30years
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\n" ); document.write( "A = Prt
\n" ); document.write( "875 = 500*r*30
\n" ); document.write( "875 = 15000r
\n" ); document.write( "r = 0.0583
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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