document.write( "Question 266458: Tori invested $8000 in money market funds. Part was invested at 5% simple interest, and the rest was invested at 7% simple interest. At the end of 1 year. Tori had earned $496 in interest. How much did she invest in each fund? \n" ); document.write( "

Algebra.Com's Answer #195791 by JBarnum(2146) $\"\"$ $\"About$

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A+B=8000
\n" ); document.write( ".05A+.07B=496
\n" ); document.write( " $\"A=8000-B\"$
\n" ); document.write( " $\"%28.05%29%288000-B%29%2B.07B=496\"$
\n" ); document.write( " $\"400-.05B%2B.07B=496\"$
\n" ); document.write( " $\"400%2B.02B=496\"$
\n" ); document.write( " $\"400%2B.02B-400=496-400\"$
\n" ); document.write( " $\".02B=96\"$
\n" ); document.write( " $\"B=96%2F.02\"$
\n" ); document.write( " $\"B=4800\"$ investment at 7%
\n" ); document.write( "________________
\n" ); document.write( " $\"A=8000-B\"$
\n" ); document.write( " $\"A=8000-4800\"$
\n" ); document.write( " $\"A=3200\"$ investment at 5%
\n" ); document.write( "_________________
\n" ); document.write( "Check
\n" ); document.write( " $\".05A%2B.07B=496\"$
\n" ); document.write( " $\".05%283200%29%2B.07%284800%29=496\"$
\n" ); document.write( " $\"160%2B336=496\"$
\n" ); document.write( " $\"496=496\"$
\n" ); document.write( "correct
\n" ); document.write( " \n" ); document.write( "

\n" );