document.write( "Question 262868: A bus driver wants to earn $3,500 per year in supplemental income from an inheritance of $40,000. If the driver invests $10,000 in a mutual fund paying 8%, what rate must he earn on the remainder to achieve his goal? \n" ); document.write( "
Algebra.Com's Answer #193673 by checkley77(12844)\"\" \"About 
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.08*10,000+X*30,000=3,500
\n" ); document.write( "800+30,000X=3,500
\n" ); document.write( "30,000X=3,500-800
\n" ); document.write( "30,000X=2,700
\n" ); document.write( "X=2,700/30,000
\n" ); document.write( "X=.09 OR 9% IS THE RATE REQUIRED FOR THE $30,000 INVESTMENT TO MEET HIS GOALS.
\n" ); document.write( "PROOF:
\n" ); document.write( ".08*10,000+.09*30,000=3,500
\n" ); document.write( "800+2,700=3,500
\n" ); document.write( "3,500=3,500
\n" ); document.write( "
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