Question

Please DRAW a Venn Diagram on paper and solve the problem using the diagram. Insert a
picture of your work.
Of 45 members of the Campers Club, 27 had camped at Yellowstone, 23 had camped at
Yosemite, and 18 had camped both. How many had camped at neither of the camp grounds?

Answer 1

Given the number that camped at Yellowstone, Yosemite and both places  and also from the calculations, we can see that 13 persons camped in neither places.

What is  Venn diagram?

A Venn diagram is drawn in order to solve problems that relate to sets. In this case we have the following information;

Number that camped in Yellowstone = 27 - 18 = 9

Number that camped in Yosemite = 23 - 18 = 5

Number that caped at both places = 18

Number that camped in neither places = x

Total number of club members = 45

We know that;

45 = 9 + 5 + 18 + x

x = 45 - ( 9 + 5 + 18 )

x = 13

Hence, 13 persons camped in neither places.

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