03-10-2009, 01:56 PM
this seemed to help krystal understand:
and
yes
----
x = 1.999...
10x = 19.999...
(10x - x) = (19.999... - 1.999...)
9x = 18
x = 2
dingdongyo Wrote:let me ask you this: if 0.999... <> 1, what do you subtract from 1 to get 0.999...?
and
Krystal Wrote:Question: would 1.9999~ = 2?
yes
----
x = 1.999...
10x = 19.999...
(10x - x) = (19.999... - 1.999...)
9x = 18
x = 2