document.write( "Question 121079: I am in need of help with this word problem.\r
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document.write( "Angus invested $22,000, part at 3% and part at 14%. If the total interest at the end of the year is $990, how much did he invest at 3%? \r
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document.write( "The amount I got invested at 3% is $3,000. Is this answer correct?\r
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document.write( "Thank you for your help with this problem. \n" );
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Algebra.Com's Answer #88886 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Angus invested $22,000, part at 3% and part at 14%. If the total interest at the end of the year is $990, how much did he invest at 3%? \n" ); document.write( "-------------------- \n" ); document.write( "Let Amt. invested at 14% be \"x\" ; interest on this is 0.14x \n" ); document.write( "---------------------- \n" ); document.write( "Amt invested at 3% is \"22000-x\" ; interest is 0.03(22000-x)=660-0.03x \n" ); document.write( "----------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "0.14x + 660-0.03x = 990 \n" ); document.write( "0.11x = 330 \n" ); document.write( "x = $3000 (amt invested at 14%) \n" ); document.write( "22000-3000 = $19000 at 3% \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |