Question

A plant found at the bottom of a lake doubles in size every 10 days. Yeah It is known that in 300 days it has covered the entire lake, indicate how many days it will take to cover the entire lake four similar plants.

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Answer to a math question A plant found at the bottom of a lake doubles in size every 10 days. Yeah It is known that in 300 days it has covered the entire lake, indicate how many days it will take to cover the entire lake four similar plants.

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Brice

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Si partimos de cuatro plantas similares, también duplicarán su tamaño cada 10 días. Sin embargo, debido a que comenzamos con cuatro plantas en lugar de una, es como si estuviéramos “adelante” por dos períodos de duplicación (ya que (2^2 = 4)). Por lo tanto, cuatro plantas cubrirán todo el lago en (300 - 2 x 10 = 280) días. Así, cuatro plantas similares tardarán 280 días en cubrir todo el lago.

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