Question: A palynologist collects pollen samples from three layers of sediment. The first layer contains $ \frac{3}{8} $ kg of pollen, the second $ \frac{5}{12} $ kg, and the third $ \frac{7}{16} $ kg. What is the total mass of pollen collected, expressed as a simplified fraction of a kilogram?

Sun, 03 May 2026 16:06:20 +0000

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