document.write( "Question 791699: a sport center has 12 gates, 5 are on the west side, and 7 are on the east side. in how many different ways can a person enter by a west gate and leave by an east gate? \n" ); document.write( "
Algebra.Com's Answer #479686 by psbhowmick(878)\"\" \"About 
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For entry event: 1 gate to be selected from 5 gates on West - 5 ways
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\n" ); document.write( "\n" ); document.write( "Entry and exit events are associated with each other.\r
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\n" ); document.write( "\n" ); document.write( "No. of ways can a person enter by a west gate and leave by an east gate = 5x7 = 35.
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