document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101700>Question 1101700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1000 people at concert. X were adults and y were kids. Adults cost 10 Euro and kids cost 5 Euro. Total amount 8750 Euro. How many were kids and how many were adults </SPAN>\n" );
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document.write( "This is really a \"mixture\" word problem: you are mixing 5 euro tickets and 10 euro tickets and coming out with an average ticket price of 8750/1000 = 8.75 euros.<br><BR>\n" );
document.write( "By far the easiest way to solve a problem like this is with the method of alligation.  Do an internet search on \"alligation\" if you are interested in learning more about it.<br><BR>\n" );
document.write( "Here is my version of alligation, used to solve this problem quickly and easily.<br><BR>\n" );
document.write( "The lower ticket price is 5; the average ticket price is 8.75; the higher ticket price is 10.<br><BR>\n" );
document.write( "Where does the 8.75 lie \"on a number line\" between 5 and 10?  It is 3/4 of the way from 5 to 10.  (8.75-5 = 3.75; 10-5 = 5; 3.75/5 = 3/4).<br><BR>\n" );
document.write( "That means that 3/4 of the tickets must be the higher price.<br><BR>\n" );
document.write( "So 1/4 of the 1000 tickets (250) are 5 euro tickets, and 3/4 of the 1000 (750) are 10 euro tickets. </SPAN>\n" );
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