The Inside Temperature of a House Is 65 $^{\circ}$ FWhen the Temperature Outside the House Is 35

The inside temperature of a house is 65 $^{\circ}$ F.When the temperature outside the house is 35 $^{\circ}$ F,the furnace supplies 100 Joules per hour to keep the inside of the house warm.If the temperature outside the house goes to 50 $^{\circ}$ F,then what is the fuel consumption of the furnace?

A) 38 Joules per hour
B) 42 Joules per hour
C) 50 Joules per hour
D) 56 Joules per hour
E) 61 Joules per hour

Correct Answer:

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