11th grade

The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?

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asked by stefanie coplin
  1. Assistance needed.

    Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.

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    2. 1
    posted by Writeacher
  2. Let AT be all together.

    1/4 AT+ 1/3 AT + 1/6 AT + 300=AT
    3/12 AT + 4/12 AT + 2/12 AT+300=AT
    9/12 AT +300=AT
    solve for AT

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    posted by bobpursley
  3. need help on hspa

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    posted by Breona
  4. 398

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    posted by tylah
  5. Calculate the
    volume of CO2
    produced at STP from
    the decomposition of
    20 g calcium
    carbonate caco3?

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    posted by ram
  6. A researcher is collecting qualitative data pertaining to social behaviors of deer at different times of the day. How will she most likely need to organize this data?

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    posted by Anonymous
  7. 9th grade 300
    10th grade 400
    11th grade 200
    12th grade 400
    all together 1200 students

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    posted by sandra
  8. 1200

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    posted by jon
  9. 4x-12/4x

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    posted by Gambella high school
  10. i want to answer this inequality of graph f(x)= x-3 if x >= 3

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    posted by Tanya
  11. English is a language of opportunity.why bother to teach other language, because it doesn't help bt English does

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  12. 9th = 1/4
    10th = 1/3
    11th = 1/6
    1/4 + 1/3 + 1/6= 1/4+2/6+1/6
    =1/4 + 3/6
    =1/4 + 1/2 =3/4
    300= 25% or 1/4
    3/4= 3* 300= 900

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    posted by scott
  13. Nine actors audition for four different parts in a play.
    In how many ways can the director fill these roles?

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    posted by kayla
  14. how many moles of hcl will be produced

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    posted by balaram
  15. let total no of students=T
    so in 9th class= T/4
    in 10th class=T/3
    in 11th class=T/6
    so in 12th class=T-[(T/4)+(T/3)+(T/6)]
    = T/4
    and is given that, students in 12th class= 300
    so total students in school= 300*4=1200

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    posted by Vinod Kumar

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