Answer:
Answer is $110.25. You figure out how.
Step-by-step explanation:
Well, the interseciton of 2 planes would be a line, so it would be like line AB when it goes through the 2 points A and B
You can't, it has been done before but there is a fault in the working because the 2 numbers are different. If you want to see a video of someone attempt it, I believe there is a video on the numberphile channel.
Hope this helps :)