Asked by jasper
in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed business mathematics and accounts only, 2 passed accounts and economics only. how many passed in all three papers
Answers
Answered by
bobpursley
I love Venn diagrams? Have you ever drawn one? http://www.math-aids.com/images/Venn-Diagram-Graphic-02.png
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