The number of species, S, on an island is proportional to the square root of the area, A, of the island. An island which has an area of 25 square miles contains 30 species. How many species would be expected on an island of 9 square miles?

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The Answer of The number of species, S, on an island is proportional to the square root of the area, A, of the island. An island which has an area of 25 square miles contains 30 species. How many species would be expected on an island of 9 square miles?

The Number of Species, S, on an Island Is Proportional