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Consider three connected lakes, A, B, and C, where lake 3 has a volume of 2650 km3, and water flows from lake A into lake 3, and from lake 3 into lake C, hath inflows and outows at the same rate of 52.5 km3lyear. Suppose that at time t= {years}, the pollutant concentration of lake 3, caused by past industrial pollution that has now been ordered to cease, is five times that of lake A. ll the outow from lalte B to lake C is perfectly mixed lake water, how long will it take to reduce the pollution concentration in lake 3 to twice that of lake A? Choose all the correct answers. Approximately "l years . Approximately 4.4 years . Approximately 6.3 years. Approximalely 8.3 years. (9 Approximately 5 years