A person wants to take a bath, and fills the tub with 50 L of water at

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Question:

A person wants to take a bath, and fills the tub with 50 L of water at a temperature of 38o C after receiving a phone cell. The bath water had cooled by10 o C. How much more hot water at 80 o C must that person add to return the bath to desired temperature........... L

a) 5

b) 6.25

c) 9.6

d) 11.9