The amount of electricity used in a typical all-electric home is shown in the circle graph below. If, in a certain month, a home used 1,100 kwh (kilowatt-hours), find the amount of electricity used for the water heater from the graph. Round your answer to the nearest kwh.
A) 968 kwh
B) 1,056 kwh
C) 132 kwh
D) 110 kwh
E) 44 kwh

Question

The amount of electricity used in a typical all-electric home is shown in the circle graph below. If, in a certain month, a home used 1,100 kwh (kilowatt-hours), find the amount of electricity used for the water heater from the graph.  Round your answer to the nearest kwh.
A) 968 kwh 
B) 1,056 kwh 
C) 132 kwh 
D) 110 kwh 
E) 44 kwh

Quizplus · Accepted Answer

The water heater portion of the graph is 12% of the total usage, which is equal to 0.12*1100 = 132 kwh. Rounded to the nearest kwh, the answer is 132 kwh.

The Amount of Electricity Used in a Typical All-Electric Home