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If wet laundry loses half of its moisture in the first 5 minutes of drying in a dryer and if the rate of loss of

If wet laundry loses half of its moisture in the first 5 minutes of drying in a dryer and if the rate of loss of moisture is proportional to the moisture content, when will the laundry be practically dry, say, when will it have lost 95% of its moisture?

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