What is the answer to the following question(s):

How many W(h) are represented by a 100 W hair dryer running for half an hour?

And a 25 W compact fluorescent bulb produces approximately the same amount of energy as a ________ incandescent bulb.


A)
50 W(h)


B)
200 W(h)


C)
25 W(h)


D)
100 W(h)