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7th grade math

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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 -

    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 -

    ok so the real eq is 5.0=k=c1/c2=

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


    the answer comes out ot .40g

  • 7th grade math -

    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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