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A tank contains 10,000 gallons of water. Each week 500 gallons of water evaporates from the tank. Water sells for $0.50 a gallon now, and the price of water increases by 5 cents a week. In dollars, what will the value of the water in the tank be x weeks from now?

A. 0.5 +0.05x

B. 5,000 + 500x

C. 5,000-500x

D. 500x - 250x²

E. - 25x² + 250x + 5000

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সঠিক উত্তরঃ E. - 25x² + 250x + 5000

Explanation:

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A tank contains 10,000 gallons of water. Each week 500 gallons of water evaporates from the tank. Water sells for $0.50 a gallon now, and the price of water increases by 5 cents a week. In dollars, what will the value of the water in the tank be x weeks from now?