document.write( "Question 990817:
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\n" ); document.write( " miles so far, which is four-fifths of the way home. What is the total length of her drive?
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Algebra.Com's Answer #610801 by Alan3354(69443)\"\" \"About 
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d = distance
\n" ); document.write( "20 miles = (4/5)d = 4d/5
\n" ); document.write( "4d/5 = 20
\n" ); document.write( "4d = 100
\n" ); document.write( "d = 25
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\n" ); document.write( "Or,
\n" ); document.write( "20 miles = 4/5
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\n" ); document.write( "How far is 1/5 ?
\n" ); document.write( "Then, how far is 5/5 ?
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