document.write( "Question 264941: Not sure how to correctly write out problem please help:\r
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document.write( "Andrew invested a total of $18,000, part at 5% and part at 9%. IF his income for one year from the 9% investment was $100 less than his income from the 5% investment, how much was invested at each rate? \n" );
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Algebra.Com's Answer #194926 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Andrew invested a total of $18,000, part at 5% and part at 9%. IF his income for one year from the 9% investment was $100 less than his income from the 5% investment, how much was invested at each rate? \n" ); document.write( "---------- \n" ); document.write( "Interest Eq:::::0.09x = 0.05(18000-x) - 100 \n" ); document.write( "---------------------------------------------- \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "9x = 5*18000 - 5x - 10000 \n" ); document.write( "14x = 80000 \n" ); document.write( "x = $5714.29 (amount invest at 9%) \n" ); document.write( "18000- 5714.29 = $12285.71 (amt. invested at 5% \n" ); document.write( "======================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |