Fractions

Sam has 9 yellow pencils in his desk. 3/4 of his pencils are yellow. How many pencils does Sam have in his desk?

3rd grade fraction, slightly confusing to me

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asked by Lily
  1. Let x = total pencils

    3/4x = 9

    Solve for x.

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    posted by PsyDAG
  2. how do I solve for X? can you show me how?

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    posted by Lily
  3. Divide both sides of the equation by 3/4.

    3/4x = 9

    x = 9/(3/4)

    x = 9 * (4/3)

    x = 36 / 3 = 12

  4. thank you very much

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    posted by kelly
  5. You're very welcome.

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