In many parts of the United States, homeowners use a significant portion of their energy budget to heat their home in the winter
. It has been determined that lowering a thermostat by 3 degrees F in the winter can reduce the energy costs by about 10 percent in many homes. An individual homeowner lowers their thermostat by 3 degrees exactly halfway through the billing period. For the month that the thermostat was lowered, the heating bill was $95. How much money did the family save in the month in which they lowered the thermostat setting halfway through the billing period? A. $2.85
B. $5
C. $9.50
D. $10
I think this is the best option but specific heat is the heat required to raise the temperature of the unit mass of a given substance by a given amount. You can find the definition on the internet.
