Electrical energy (E) is measured in kilowatt hours (kwh) using the formula E = P * t , where P is the power in kilowatts and t is the time in hours.

If 120 kwh of electrical energy are created over a period of 15 hours, how many kilowatts of power are used each hour?

A-135
B-1,800
C-8
D-105

Question

Electrical energy (E) is measured in kilowatt hours (kwh) using the formula E = P * t , where P is the power in kilowatts and t is the time in hours.

If 120 kwh of electrical energy are created over a period of 15 hours, how many kilowatts of power are used each hour?

    A-135
    B-1,800
    C-8
    D-105

anonymous · Answer

same thing as the other one you just substitute and solve for E i believe

texaschic101 · Answer

its a matter of substitution...
E = P * T
E = 120 * 15 ...you can do the math

anonymous · Answer

I got B.

anonymous · Answer

yes that is correct

anonymous · Answer

sorry today im having a total brain fart. thank you so much

anonymous · Answer

your welcome that happens to me all the time

anonymous · Answer

that is wrong it is not 1800... what did i do wrong? @jewelshipp

anonymous · Answer

@texaschic101

anonymous · Answer

it was 8. how is that even possible