document.write( "Question 453150: im really stuck so can someone help me please :(?\r
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document.write( "solve the problem.\r
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document.write( "The interest on an investment varies directly as the rate of interest. If the interest is $60 when the interest rate is 4.5%, find the interest when the rate is 4.2%. Round to the nearest whole number. \n" );
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Algebra.Com's Answer #311385 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The interest on an investment varies directly as the rate of interest. \n" ); document.write( " If the interest is $60 when the interest rate is 4.5%, find the interest when the rate is 4.2%. \n" ); document.write( ": \n" ); document.write( "We can use proportion here, let x = amt when int rate is 4.2 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "4.5x = 4.2* 60 \n" ); document.write( "4.5x = 252 \n" ); document.write( "x = \n" ); document.write( "x = $56 \n" ); document.write( " |