Bath

In the bath is 30 liters of hot water. Then added 36 liters of cold water at temperature of 19 °C decreased temperature of water to 41 °C.

What was the initial temperature of the hot water?

Correct answer:

t =  67.4 °C

Step-by-step explanation:

30t+3619=(30+36)41 t=67.4C



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