Question

2. Boiling water at 100°c and cold water at t°c are mixed in the ratio of 3:5 and the resultant temperature is 40°c. Find the value of t ?
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Answer 1

Answer:

4°C

Explanation:

3×m×(100-40)×s=5×m×(40-t)×s

3×60=200-5t

180=200-5t

5t=200-180

t=20/5=4°C