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Time per instrument: 3.5 + 1.5 = 5 hours.
The ichthyologist observes that a reefs fish population grows by 12% annually in absence of stress. Starting from 800 fish, what will the population be after two years, assuming compounding growth?
The museum curator organizes a traveling exhibit of 120 artifacts. Each crate holds 8 artifacts, but 10% of crates are reserved for fragile items and can only hold 6. If 20% of the artifacts are fragile, how many total crates are needed?
The ichthyologist tags 200 fish in a reef. One month later, she recaptures 150 fish, 30 of which are tagged. Using the capture-recapture method, estimate the total fish population in the reef.
The museum curator allocates 60 hours per week to manage digital archives. She spends 40% of her time uploading data, 35% cataloging metadata, and the rest on quality checks. How many minutes per week does she spend on quality checks?
Total time: 60 hours = 3,600 minutes.
The ichthyologist models fish mortality due to rising sea temperatures. A reef with 2,500 fish experiences a 20% mortality rate in the first year and 25% of the survivors die in the second year. How many fish remain after two years?
The museum curator designs an interactive display with touchscreens and physical models. Each screen supports 5 visitors at once and runs 60 minutes per day. Each physical model can engage 3 visitors at once for 45 minutes per cycle. If 180 visitors arrive daily and each spends 1 hour in the exhibit, how many screens and models are needed to avoid waiting?
But must handle in time: total visitor-seats:
But m should be used? Not necessary.
