document.write( "Question 480448: There are 4 different routes a student can bike from his house to school. In how
\n" ); document.write( "many ways can he make a round trip if he uses a different route coming than going?
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Algebra.Com's Answer #329153 by Anthea Lawn(22)\"\" \"About 
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There are 4 ways he can cycle to school\r
\n" ); document.write( "\n" ); document.write( "If he is to use a different route home then for EACH of these four ways, there will be 3 different ways to cycle home.\r
\n" ); document.write( "\n" ); document.write( "So the number of possible round trips is 4 X 3 = 12
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