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- A programmer is training a deep learning model on medical images. The dataset has 12,000 images. On day 1, the model processed 10% of the dataset. On day 2, it processed 15% of the remaining images, and on day 3, 20% of what was left. How many images remain unprocessed after day 3?
- Day 1: 10% of 12,000 = 0.10×12,000 = 1,200 processed; remaining = 12,000 – 1,200 = 10,800
- Day 3: 20% of 9,180 = 0.20×9,180 = 1,836 processed; remaining = 9,180 – 1,836 = 7,344
- #### 7344
- A primatologist recorded vocalizations from a troop of 8 monkeys. Each monkey emitted either a low, medium, or high-pitched call. On a given day, 3 monkeys used high-pitched calls (each making 6 calls), 4 used medium (each making 9 calls), and the remaining used low (each making 5 calls). If each call lasts 1.2 seconds, what was the total duration of all calls in minutes?