Answers by visitors named: Abubakari

Mr Kwame's mistake was the place to find the value of x. Biology but not chemistry means that, biology only plus the intersection of biology and Art. So it should have been 6 +36-x=18. It means x=24. So the value of all the intersections of the regions is...

Visit Kwame's question u will see the solution. He asked same question and it was answered by Reiny and Abubakari.

Visit kwame's question. He asked same question and it was answered by I and reiny .

Sorry, Mr. Reiny rather not Mr. Kwame.Trial; In a class of 70 students, 6 offer Economics only, 18 offer Economics but not Mathematics, 36 offer Economics and Geography, 53 offer Economics, 50 offer Geography and 34 offer Mathematics and Geography. All st...