document.write( "Question 248227: I don't understand how to do this problem; it's not anywhere in my notes:
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document.write( "\"John received an inheritance of $80,000. She invested part at 7% and deposited the remainder in tax-free bonds at 6%. Her total annual income from the investments was $5000. Find the amount invested at 7%.\" \n" );
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Algebra.Com's Answer #180902 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! let a= part at 7% \n" ); document.write( "b= part at 6% \n" ); document.write( "b=80000-a \n" ); document.write( "That simple subtraction is the part that throws most people. \n" ); document.write( "7%(a)+6%(b)=5000 \n" ); document.write( "6%=.06 read it 6 hundredths \n" ); document.write( "7%=.07 read it 7 hundredths \n" ); document.write( ".07a+.06b=5000 \n" ); document.write( "substitute (80000-a) for b in the equation above and solve. \n" ); document.write( "BTW The woman is named John? \n" ); document.write( "John is referred to as her and she. \n" ); document.write( " |