To be honest choice whatever you want but my advice is to choose the LED light bulb.
Answer:
n = 30
Step-by-step explanation:
you want to isolate the n and get it by itself. So you would do the inverse operation. On the other side, you do the same thing.
3.5/7 is the answer to your question
24|5
25|0, 1, 3, 8
26|4, 7, 9
27|3, 6
key in bottom right
24|5 means 245