45 percent because it's purpose is not to make light, but heat. Since that is excess wasted energy, you would subtract the wasted energy from the units of energy used for the desired task (50-5) and it would give you 45
what you got to do is you have to pee X 2 which which will give you an answer and you will subtracted by 4 + 485 which will give u p xthen you have your answer you can do it backwards like pee times 485 + 14 * -2 equals P x
Lost (⬅key word) 4 is equal to -4 On 2 plays that is times 2 So all together is -4×2 A negative times a positive is negative -4×2= -8 Hope this helped you☺
