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1). 3002). 3803). 4004). Cannot be determined |
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Answer» ⇒ Let the original number of CHILDREN be x ⇒ 2400 / (x – 100) – 2400 / x = 2 ⇒ (2400x - 2400x + 240000)/x² - 100X = 2 ⇒ 240000 = 2x² – 200x ⇒ 120000 = x² – 100x ⇒ 400(400 – 100) = x(x – 100) ∴ x = 400 |
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