document.write( "Question 510903: A woman invested 4 times as much at 2% as she did at 6%. The total amount of interest she earns in 1 year from both accounts is $560. How much did she invest at each rate?\r
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Algebra.Com's Answer #341920 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A woman invested 4 times as much at 2% as she did at 6%. The total amount of interest she earns in 1 year from both accounts is $560. How much did she invest at each rate? \r \n" ); document.write( "\n" ); document.write( "------------------------ \n" ); document.write( "Equations: \n" ); document.write( "Quantity: x - 4y = 0 \n" ); document.write( "Interest:0.06x + 0.02y = 560 \n" ); document.write( "------------------------------------- \n" ); document.write( "Multiply Quantity by 6 \n" ); document.write( "Multiply Interest by 100 \n" ); document.write( "6x - 24y = 0 \n" ); document.write( "6x + 2y = 56000 \n" ); document.write( "--- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "26y = 56000 \n" ); document.write( "y = $2153.85 \n" ); document.write( "---- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x = $8115.39 \n" ); document.write( "------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " \n" ); document.write( " |