Distance, Time, Work, Flow, and Other Combined Rates | PSAT Prep College Test Prep | Free K12 Practice

098 Distance, Time, Work, Flow, and Other Combined Rates

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Skill Level🔴 Hard

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A 600-liter tank is 30% full. Water flows in at 25 liters per minute while water drains out at 10 liters per minute. How many minutes will it take to fill the tank?