document.write( "Question 1107457: Fred and George have $40,000 to invest. If they invest $16,000 at 12% simple interest and $14,000 at 8% at what rate should they invest the remainder in order to have a yearly income of $4,000 from their investments? \n" ); document.write( "

Algebra.Com's Answer #722495 by ikleyn(52931) $\"\"$ $\"About$

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document.write( "r*(40000 - 16000 - 14000) = 4000 - 0.12*16000 - 0.08*14000.\r\n" );
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document.write( "Simplify and solve for r, which is the unknown rate under the question in the decimal form.\r\n" );
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