Originally Posted by clickwir
Yes 1/3 = .33333 repeating. It equals that because 1/3 cannot be completely expressed in decimal form. You can't write 1/3 in decimal form and be 100% accurate. .33 repeating is not 1/3, it's as close as any number can get to being 1/3. But that doesn't mean it is 1/3.
Very interesting point.
How do you explain though his algebra when he subtracts x=9 from 10x=9.999999 ? I can't figure out a way to disprove that one.