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March 26, 2017

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at a concert 2/5 of the people were men, there were 3 times as many women as children, ithere were 45 mor men than children, how many people were there at the concert

  • fractions - ,

    at a concert 2/5 of the people were men, there were 3 times as many women as children, if there were 45 more men than children, how many people were there at the concert

  • fractions - ,

    people: p
    men: 2/5 p
    children: c
    women: 3c
    men: 2/5 p = c+45
    people = m+w+c = 2/5 p + 3c + c

    so, p = 2/5 p + 4c

    3/5 p = 4c
    2/5 p = c+45

    c=27
    p=180
    180 people at the show.

    so, women=81
    men=72

  • fractions - ,

    3/4 of the students in school were girls and the rest were boys.2/3 of the girls and1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival

  • fractions - ,

    There are one hundred and eighty overall people. Seventy-two people are men. Eighty-one people are women. And twenty-seven people are children.

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