document.write( "Question 54315This question is from textbook
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document.write( ": Investing: Ms. Jones invested $18,000 in two accounts. One account pays 6% simple interest and the other pays 8%. Her total interest for the year was $1,290. How much did she have in each account. \n" );
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Algebra.Com's Answer #36577 by jenrobrody(19)![]() ![]() ![]() You can put this solution on YOUR website! 6% account has x dollars \n" ); document.write( "8% account has 18000-x dollars \n" ); document.write( "Interest = Principle * Rate * Time \n" ); document.write( "Interest from 6% account = x(0.06)(1) = 0.06x \n" ); document.write( "Interest from 8% account = (18000 - x)(0.08)(1) = 0.08(18000 - x) \n" ); document.write( "Total interest: \n" ); document.write( "0.06x + 0.08(18000 - x) = 1290 \n" ); document.write( "0.06x + 1440 - 0.08x = 1290 \n" ); document.write( " -1440 -1440 \n" ); document.write( " -0.02x = -150 \n" ); document.write( " x = 7500 \n" ); document.write( "6% account has 7500 which earns 450 interest \n" ); document.write( "8% account has 18000-7500 or 10500 dollars which earns 840 interest \n" ); document.write( "checks out to give a total of 1290 interest \n" ); document.write( " |