document.write( "Question 909469: $480,000 is invested at 6%. How much additional amount of money must be invested at 7% so that the total annual income will be $53,300? \n" ); document.write( "
Algebra.Com's Answer #551891 by richwmiller(17219)\"\" \"About 
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0.06*480000+0.07*y=53300
\n" ); document.write( "28800+0.07*y=53300
\n" ); document.write( "0.07*y=24500
\n" ); document.write( "y=24500/0.07
\n" ); document.write( "y=350000
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\n" ); document.write( "0.06*480000+0.07*350000=53300
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