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- Third: 20% = 0.20×2,000,000 = $400,000
- Fourth: 100% – (30+25+20) = 25% → 0.25×2,000,000 = $500,000
- Using compound growth: A = P(1 + r)^t = 500,000×(1.20)^3
- 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 2: 15% of 10,800 = 0.15×10,800 = 1,620 processed; remaining = 10,800 – 1,620 = 9,180
