document.write( "Question 1145195: All pupils in a class took part in a test.
\n" ); document.write( "3 passed in English only
\n" ); document.write( "27 passed in Maths
\n" ); document.write( "26 passed in French
\n" ); document.write( "2 passed in both English and French
\n" ); document.write( "21 passed in both Maths and English
\n" ); document.write( "20 passed in both Maths and French
\n" ); document.write( "15 passed in all three subjects
\n" ); document.write( "7 failed in all three subjects\r
\n" ); document.write( "\n" ); document.write( "Questions:
\n" ); document.write( "1) Show all information on a venn diagram
\n" ); document.write( "2) Calculate the number of pupils in the class
\n" ); document.write( "

Algebra.Com's Answer #766445 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
I am not sure how to handle the 7 who failed all three.\r
\n" ); document.write( "\n" ); document.write( "There is a problem with 2 passed in both English and French and 15 passed in all three subjects
\n" ); document.write( "They contradict each other.
\n" ); document.write( "Where I have 17 there should be 2 if we took the wording as stated.
\n" ); document.write( "So first only those who passed\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "Now with the 7 failed
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );