document.write( "Question 845684: Question: Mrs. Mayor invested $1400.00, part at 5% and part at 8%. Her total annual income from her investment was $100.00. Find the amount she invested in both. \r
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Algebra.Com's Answer #509412 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Mrs. Mayor invested $1400.00, at 5% and  at 8%
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document.write( "Note: x + y = $1400    0r    x =( $1400-y)
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document.write( "Question states***total annual income from her investment was $100.00.
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document.write( " .05($1400-y) + .08y = $100
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document.write( "  .05($1400) - .05y + .08y = $100
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document.write( "     $70 + .03y = $100
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document.write( "           .03y = $30
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document.write( "              y = $1000, amount invested at 8%.  Amount at 5% was $400   
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document.write( "CHECKING our answer***
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document.write( "  .05•($400) + .08•($1000) = $20 + $80 = 100
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