How does the energy used by a 100 W lightbulb compare with the energy used by a 40 W lightbulb in a given amount of time?
A
The 100 W bulb uses 2.5 times more energy.B
The 40 W bulb uses 2.5 times more energy.C
The 100 W bulb uses 60 times more energy.D
The 40 W bulb uses 60 times more energy.