document.write( "Question 1088445: There are three bus lines between X and Y; and five bus lines between Y and Z. Find the number of ways a person can travel Round trip by bus from X to Z by way of Y, if the person does not want to use a bus line more than once.
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Algebra.Com's Answer #702713 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "(3*5)*(4*2) = 15*8 = 120.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |