math

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Help please. Word problems.

Alex has 15 friends. She has 36 chocolate cookies. She wants each friends to have 3 chocolate cookies. how many more cookies does she need?

  • math -

    15 * 3 = 45

    45 - 36 = ?

  • math -

    thanks!

  • math -

    how did you go about translating?

  • math -

    What do you want to translate?

  • math -

    how did you know it was multiplicaton instead of division or addition

  • math -

    You could add.

    First friend = 3 cookies
    Second friend = 3 cookies
    Third friend = 3 cookies
    Fourth friend = 3 cookies

    and so on

    But it's certainly quicker to multiply the number of friends by the number of cookies each should get.

  • math -

    great thanks!

  • math -

    You're welcome.

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