document.write( "Question 1130519: Maricopa's Success scholarship fund receives a gift of $ 210000. The money is invested in stocks, bonds, and CDs. CDs pay 4.5 % interest, bonds pay 4.6 % interest, and stocks pay 7.2 % interest. Maricopa Success invests $ 20000 more in bonds than in CDs. If the annual income from the investments is $ 11420 , how much was invested in each account? \n" ); document.write( "
Algebra.Com's Answer #753149 by VFBundy(438)\"\" \"About 
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CDs:
\n" ); document.write( "Principal = p
\n" ); document.write( "Rate = 0.045
\n" ); document.write( "Interest = 0.045p
\n" ); document.write( "
\n" ); document.write( "Bonds:
\n" ); document.write( "Principal = p + 20000
\n" ); document.write( "Rate = 0.046
\n" ); document.write( "Interest = 0.046(p + 20000) = 0.046p + 920
\n" ); document.write( "
\n" ); document.write( "Stocks:
\n" ); document.write( "Principal = 210000 - p - (p + 20000) = 190000 - 2p
\n" ); document.write( "Rate = 0.072
\n" ); document.write( "Interest = 0.072(190000 - 2p) = 13680 - 0.144p
\n" ); document.write( "
\n" ); document.write( "Total interest:
\n" ); document.write( "(0.045p) + (0.046p + 920) + (13680 - 0.144p) = 11420
\n" ); document.write( "
\n" ); document.write( "Simplify:
\n" ); document.write( "
\n" ); document.write( "-0.053p + 14600 = 11420
\n" ); document.write( "
\n" ); document.write( "-0.053p = -3180
\n" ); document.write( "
\n" ); document.write( "p = 60000
\n" ); document.write( "
\n" ); document.write( "From earlier:
\n" ); document.write( "
\n" ); document.write( "CDs:
\n" ); document.write( "Principal = p = 60000
\n" ); document.write( "
\n" ); document.write( "Bonds:
\n" ); document.write( "Principal = p + 20000 = 60000 + 20000 = 80000
\n" ); document.write( "
\n" ); document.write( "Stocks:
\n" ); document.write( "Principal = 190000 - 2p = 190000 - 120000 = 70000 \n" ); document.write( "
\n" );