Posted by **sara** on Friday, October 24, 2008 at 6:42pm.

i was trying to work out the problem (1.00-x)50/15x.

(x=.40g this is the answer)

when i work it out i get 50-50x/15x but i dnt understand how this equals .40?? help plse

- 7th grade math -
**bobpursley**, Friday, October 24, 2008 at 7:32pm
There has to be an equal sign in the initial equation if you are going to find x. So what is the real equation?

- 7th grade math -
**tom**, Friday, October 24, 2008 at 8:23pm
ok so the real eq is 5.0=k=c1/c2=

1.00g-x/15mlall over x/50 ml =

(1.00-x)50/15x

the answer comes out ot .40g

- 7th grade math -
** nicole**, Sunday, November 2, 2008 at 1:43pm
help me

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