document.write( "Question 1179590: Walter’s family has just arrived at Disney World’s Magic Kingdom! They all want to go on the Train, Splash Mountain, Pirates of the Caribbean, and It’s a Small World. How many combinations can they use to go on these four rides? \n" ); document.write( "
Algebra.Com's Answer #809156 by ikleyn(52778)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The total number of combinations that can be made from  4  items,  is   \"2%5E4\" = 16,   including the empty set.\r
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\n" ); document.write( "\n" ); document.write( "If to exclude the empty combination,  then the answer will be   \"2%5E4+-+1\" = 16-1 = 15.\r
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\n" ); document.write( "\n" ); document.write( "Solved,  answered and explained.\r
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