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One third of the students in mrs. hayko's class walk to school. Of the students who do not walk, four-fifths take the bus.
a) what fraction of the students in Mrs. Hayko's class take the bus to school?

b) How many students might there be in her class?

  • Math -

    So 2/3 of her students do NOT walk to school
    of those (4/5) take the bus

    so (4/5)(2/3) or 8/15 take the bus

    The number of students must be a multiple of 15

    In an enlightened board of education she would have 15 students,
    in reality she probably has 30 students,
    and , in some backwards regions, she could have 45 students.

  • Math -

    the answer will be 1/32

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