document.write( "Question 882523: can you please help me solve this word problem:
\n" ); document.write( "A mother wants to invest $7,000.00 for her son's future education. she invests a portion of the money in a bank certificate of deposit (CD account) which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $420.00, how much money was invested in the CD account? \n" ); document.write( "
Algebra.Com's Answer #532900 by MathTherapy(10552)\"\" \"About 
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can you please help me solve this word problem:
\n" ); document.write( "A mother wants to invest $7,000.00 for her son's future education. she invests a portion of the money in a bank certificate of deposit (CD account) which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $420.00, how much money was invested in the CD account?
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document.write( "Let amount invested in CD account be F
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document.write( "Then amount invested in bond = 7,000 – F
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document.write( "Interest earned on CD, plus interest earned on bond, equals total interest earned, OR
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document.write( ".04(F) + .07(7,000 – F) = 420
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document.write( ".04F + 490 - .07F = 420
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document.write( ".04F - .07F = 420 – 490 
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document.write( "- .03F = - 70
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document.write( "F, or amount invested in the “4% CD” = \"%28-+70%29%2F-+.03\", or $\"highlight_green%28highlight_green%282333.33%29%29\"
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document.write( "You can do a check!! \r
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