exam Maths Puzzle Numerical Ability

a forest contains about 500 trees. You randomly pick 67 trees and find that 27 of them are oaks. What is the experimental probability that a tree in the forest is an oak?

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3. In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies.

a) Write Needing assistance in solving.

x^3/2 = 27
(x^3/2)^2/3 = 27
x = 9