Homework Help: 7th grade math

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
  - 7th grade math - Taylor, Tuesday, November 11, 2008 at 8:12pm
    What is the LCD of 29,17,and 13?
    60 36 30
    
    the number under the others mean like 29 over 60.sorry i don't know how to write them that well.

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