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Homework Statement
to conserve heat energy in a home, R=2.8 Pink Batts are replaces by R=3.2 Pink Batts. calculate the percentage increase in reduction of heat loss per 1.0m^2 of wall when the temperature difference is 15degrees celsius.
Homework Equations
P=A(Th-Tc)/ R
The Attempt at a Solution
i tried to do this:
1(15)/ 6= 2.5
i do not think this is the right answer, it's a question form my last year's exam paper and i really need to know this for my exam in 2 days..please help =] thx