document.write( "Question 1016109: please help me solve this : Moira inherited $15,000 and invested part of it in a money market account, part in municipal bonds and part in a mutual fund. After a year, she received a total of $730 simple interest from the 3 investments. The money market account paid 4% annually, the bonds paid 5% annually, and the mutual fund paid 6% annually. There was $2000 more invested in the mutual fund than in bonds. find the amount that Moira invested in each. \n" ); document.write( "
Algebra.Com's Answer #632520 by FrankM(1040)\"\" \"About 
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MM+MF+B=15000
\n" ); document.write( "MM(.04)+MF(.06)+B(.05)=730
\n" ); document.write( "MF=B+2000\r
\n" ); document.write( "\n" ); document.write( "Let's take the first 2 equations. Multiply the second by 100\r
\n" ); document.write( "\n" ); document.write( "4MM+6MF+5B=73000\r
\n" ); document.write( "\n" ); document.write( "and multiply the first by -4\r
\n" ); document.write( "\n" ); document.write( "-4MM-4MF-4B=-60000\r
\n" ); document.write( "\n" ); document.write( "and add these two together.\r
\n" ); document.write( "\n" ); document.write( "2MF+B=13000\r
\n" ); document.write( "\n" ); document.write( "But, MF=B+2000 so ,\r
\n" ); document.write( "\n" ); document.write( "2(B+2000)+B=13000\r
\n" ); document.write( "\n" ); document.write( "2B+4000+B=13000\r
\n" ); document.write( "\n" ); document.write( "3B=9000\r
\n" ); document.write( "\n" ); document.write( "B = 3000\r
\n" ); document.write( "\n" ); document.write( "MF = 5000\r
\n" ); document.write( "\n" ); document.write( "MM = 7000 (just subtract the first 2 from 15000.)
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