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March 28, 2017

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if the ratio of boys to girls is 3/4 and there are 49 students how many boys are there?

  • math - ,

    3/7 = x/49

    Cross multiply and solve for x.

  • math - ,

    75

  • math - ,

    Does 75 make sense? There are only a total of 49 students.

    This site explains how to solve a problem with a proportion.

    http://www.aaamath.com/rat-prop-crossx.htm

  • math - ,

    21

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