document.write( "Question 458865: Eva invested a certain amount of money at 7% interest and $1400 more than that amount at 12%. Her total yearly interest was $795. How much did she invest at each rate?\r
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document.write( "at 7% $______
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document.write( "at 12% $______
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Algebra.Com's Answer #314756 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Eva invested a certain amount of money at 7% interest and $1400 more than that amount at 12%. Her total yearly interest was $795. How much did she invest at each rate. \n" ); document.write( "------- \n" ); document.write( "Interest Eq: 0.07x + 0.12(x+1400) = 795 \n" ); document.write( "------------- \n" ); document.write( "Multiply thru by 100: \n" ); document.write( "7x + 12x + 12*1400 = 79500 \n" ); document.write( "-------------- \n" ); document.write( "19x = 62700 \n" ); document.write( "--- \n" ); document.write( "x = $3300 (amt. invested at 7%) \n" ); document.write( "--- \n" ); document.write( "1400+x = $4700 (amt. invested at 12%) \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===========\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "at 7% $______ \n" ); document.write( "at 12% $______\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |