document.write( "Question 815657: A woman earns $1,350 in interest from two accounts in a year. If she has three times as much invested at 7% as she does at 6%, how much does she have in each account?
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Algebra.Com's Answer #491139 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 6.00% ------------ 1 x \n" ); document.write( "7.00% ----------- 3 x \n" ); document.write( "Interest = 1350 \n" ); document.write( "Interest equation \n" ); document.write( " \n" ); document.write( "6.00% * 1.00 x + 7.00% * 3 x = 1350 \n" ); document.write( "0.060 x + 0.210 x = 1350 \n" ); document.write( "0.27 x= 1350 \n" ); document.write( "x= 1350 / 0.27 \n" ); document.write( "x= 5000 \n" ); document.write( " \n" ); document.write( "3 x = 15000 \n" ); document.write( " \n" ); document.write( "CHECK \n" ); document.write( "6.00% x= 0.06 * 5000 = 300 \n" ); document.write( "7.00% ----------- 0.07 * 15000 = 1050 \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |