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5 November, 20:44

5/7 of the 63 students in gym class are wearing blue shorts. Some of the students are girls and the rest are boys. The ratio of the number of girls wearing blue shorts to the total number of students wearing blue shorts is 3:5. How many girls are wearing blue shorts? How many boys are wearing blue shorts?

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Answers (2)
  1. 5 November, 21:47
    0
    27 girls

    18 boys
  2. 5 November, 22:54
    0
    Answer: 27 girls are wearing blue shorts.

    18 boys are wearing blue shorts.

    Step-by-step explanation:

    5/7 of the 63 students in gym class are wearing blue shorts. This means that the total number of students in the class wearing blue shorts is

    5/7 * 63 = 45 students

    The ratio of the number of girls wearing blue shorts to the total number of students wearing blue shorts is 3:5

    If the number of girls wearing blue shorts is x, then

    x/45 = 3/5

    Cross multiplying, it becomes

    x * 5 = 45 * 3

    5x = 135

    x = 27

    The number of boys wearing blue shorts would be

    45 - 27 = 18
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Home » Mathematics » 5/7 of the 63 students in gym class are wearing blue shorts. Some of the students are girls and the rest are boys. The ratio of the number of girls wearing blue shorts to the total number of students wearing blue shorts is 3:5.
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