Question

A water bath contains 15kg of water at 50°C. If hot and cold taps are turned on such that they deliver water at the rate of 30kg per minute.
Determine the temperature of the mixture after 20minutes, if the temperature of the hot and cold water is 100°C and 15°C respectively?
{(15 * 50) + [20 * 30 * [(100 + 15) / 2]]} / (total mass)

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