document.write( "Question 890819: a man is 10 times as old as his daughter in 5 years time he will be 5 times as old as his daughter. How old are each of them now \n" ); document.write( "
Algebra.Com's Answer #539305 by Alan3354(69443)\"\" \"About 
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a man is 10 times as old as his daughter in 5 years time he will be 5 times as old as his daughter. How old are each of them now
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\n" ); document.write( "f = 10d
\n" ); document.write( "f+5 = 5(d+5) = 5d+25
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\n" ); document.write( "Sub for f
\n" ); document.write( "10d+5 = 5d+25
\n" ); document.write( "5d = 20
\n" ); document.write( "d = 4 (daughter's age)
\n" ); document.write( "f = 40 (father's age)
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