document.write( "Question 1150051: Maricopa's Success scholarship fund receives a gift of $110000. The money is invested in stocks, bonds, and CDs. CDs pay 4.25 % interest, bonds pay 2.6 % interest, and stocks pay 7.4 % interest. Maricopa Success invests $50000 more in bonds than in CDs. If the annual income from the investments is $4150, how much was invested in each account? \n" ); document.write( "
Algebra.Com's Answer #771411 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
With annual, simple interest:
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\n" ); document.write( "\"+I+=+P%2Ar%2At+\" and \"+t+=+1+\"
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\n" ); document.write( "(1) \"+I%5B1%5D+=+P%5B1%5D%2A.0425+\" ( CDs )
\n" ); document.write( "(2) \"+I%5B2%5D+=+P%5B2%5D%2A.026+\" ( bonds )
\n" ); document.write( "(3) \"+I%5B3%5D+=+P%5B3%5D%2A.074+\" ( stocks )
\n" ); document.write( "(4) \"+P%5B1%5D+%2B+P%5B2%5D+%2B+P%5B3%5D+=+110000+\"
\n" ); document.write( "(5) \"+P%5B2%5D+=+P%5B1%5D+%2B+50000+\"
\n" ); document.write( "(6) \"+I%5B1%5D+%2B+I%5B2%5D+%2B+I%5B3%5D+=+4150+\"
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\n" ); document.write( "There are 6 unknowns and 6 equations, so it's solvable
\n" ); document.write( "Substitute (1), (2), and (3) into (6)
\n" ); document.write( "(6) \"+.0425%2AP%5B1%5D+%2B+.026%2AP%5B2%5D+%2B+.074%2AP%5B3%5D+=+4150+\"
\n" ); document.write( "(6) \"+425P%5B1%5D+%2B+26P%5B2%5D+%2B+74P%5B3%5D+=+4150000+\"
\n" ); document.write( "Multiply both sides of (4) by \"+26+\"
\n" ); document.write( "and subtract (4) from (6)
\n" ); document.write( "(6) \"+425P%5B1%5D+%2B+26P%5B2%5D+%2B+74P%5B3%5D+=+4150000+\"
\n" ); document.write( "(4) \"+-26P%5B1%5D+-+26P%5B2%5D+-+26P%5B3%5D+=+2860000+\"
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\n" ); document.write( "\"+399P%5B1%5D+%2B+48P%5B3%5D+=+1290000+\"
\n" ); document.write( "I don't have the time, but you can proceed and get answers\r
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