document.write( "Question 1129636: At what rate must php 60,000 be invested to earn php 3,600 in 120 days. \n" ); document.write( "
Algebra.Com's Answer #746208 by Edwin McCravy(20056)\"\" \"About 
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document.write( "Obviously you meant SIMPLE interest, not compound interest.\r\n" );
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document.write( "I = P∙R∙T\r\n" );
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document.write( "I = 3600\r\n" );
document.write( "P = 60000\r\n" );
document.write( "T = 120/360 = 1/3\r\n" );
document.write( "R = ?\r\n" );
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document.write( "3600 = 60000∙R∙(1/3)\r\n" );
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document.write( "Multiply 60000 by 1/3, get 20000\r\n" );
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document.write( "3600 = 20000∙R\r\n" );
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document.write( "Divide both sides by 3600\r\n" );
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document.write( "3600/20000 = R\r\n" );
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document.write( "0.18 = R\r\n" );
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document.write( "Answer 18% simple interest.\r\n" );
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document.write( "Edwin
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