Next week, there will be 63 campers. How many adults should the camp have next week? Show your work.

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Assuming that Anita needs hollow right circular cones, we are solving for its lateral surface area, which is given by the formula πr√(h²+r²), where r is the radius and h is the height.
r = 6 ft / 2 = 3 ft

Solving for the lateral surface area of one cone:
LSA = (3.14) (3) [√(12²+3²)] = 116.52 sq ft.

Since she needs 10 cones:
10 * 116.52 sq. ft = 1,165.2 sq ft.

She will need 1,165.2 sq ft of material.