document.write( "Question 1023326: In the venn diagram E is the set of all children in a certain chosen group, A={children in Youth Club A} and B={children in Youth club B}The letters p,q,x and y in the diagram represent the number of children in each subset.Given that n(E)=200, n(A)=75 and n(B)=35
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document.write( "(i)find the smallest possible value of y where y is (AUB)' \r
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document.write( " (ii)the largest possible value of x where x is AnB.\r
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document.write( "(iii) find the value of of q if p= 45 \n" );
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Algebra.Com's Answer #638836 by Edwin McCravy(20060) You can put this solution on YOUR website! \n" ); document.write( "\n" ); document.write( "N(A) = 75 = p+x \n" ); document.write( "N(B) = 35 = x+q \n" ); document.write( "n(E) = 200 = p+x+q+y\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "(i)find the smallest possible value of y where y is (AUB)' \n" ); document.write( " \r\n" ); document.write( "That'll be when there's the most possible in the two circles,\r\n" ); document.write( "which is when their intersection x is the least, or when \r\n" ); document.write( "x=0, p=75, q=35, and y=90 (that's also when p and q are the\r\n" ); document.write( "most they can be, and x is the least it can be.)\r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( "(ii)the largest possible value of x where x is AnB. \n" ); document.write( " \r\n" ); document.write( "That'll be when all of B is in x which is when q=0, \r\n" ); document.write( "x=35, p=40, and y=125. (That's also when y is the most\r\n" ); document.write( "it can be, and when p and q are the least they can be) \r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( "(iii) find the value of of q if p= 45 \n" ); document.write( " \r\n" ); document.write( "That'll be when x=30, q=5, and y=120.\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |