APFIVE Heating Energy Savings Calculation
Improving a home’s insulation reduces its annual heating energy demand by $$10\%$$. If a household originally uses $$12000 \text{ kWh}$$ per year for heating, calculate the annual energy savings in kilowatt-hours.
A
10 kWh
B
120 kWh
C
2400 kWh
D
1200 kWh
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