document.write( "Question 195540: Pep invested x dollars in a savings account and y dollars in a certificate of deposit, for a totly investment of $500.\r
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document.write( "After 1 yr. he received 4% interest on the money in his savings account and 6% savings on the certificate of deposit for a totaly interest earned of $26.\r
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document.write( "Find out how much he invested at each rate. \n" );
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Algebra.Com's Answer #148108 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Since the total amount Pep invested was $500, and since the amount invested in the savings account is x, then the amount invested in the CD is 500 – x\r \n" ); document.write( "\n" ); document.write( "Since he earned 4% on his savings account investment of x, he then earned .04(x)\r \n" ); document.write( "\n" ); document.write( "Also, since he earned 6% on his CD account investment of (500 – x), he then earned .06(500 - x)\r \n" ); document.write( "\n" ); document.write( "So, total earned is: .04x + .06(500 - x) = 26\r \n" ); document.write( "\n" ); document.write( " .04x + .30 - .06x = 26\r \n" ); document.write( "\n" ); document.write( " - .02x = - 4 \n" ); document.write( " \n" ); document.write( " x = 200 \n" ); document.write( "Therefore, Pep invested $200, at 4% in his savings account, and $300, at 6% in his CD account. \n" ); document.write( " \n" ); document.write( " |