document.write( "Question 934602: Katrina walked from her house to the library. Then she walked 1/3 mile to her friend's house. When she left her friend's house she walked 2/5 miles home. How far did she walk from her house to the library?
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Algebra.Com's Answer #567661 by TimothyLamb(4379) $\"\"$ $\"About$

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assume that katrina's house, the library, and her friend's house, are all in a straight line
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\n" ); document.write( "x = distance katrina's house to library
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\n" ); document.write( "x + 1/3 = 2/5
\n" ); document.write( "x = 2/5 - 1/3
\n" ); document.write( "x = 2*3/3*5 - 1*5/3*5
\n" ); document.write( "x = 6/15 - 5/15
\n" ); document.write( "x = 1/15 mile
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