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12 July, 00:50

In one grade of 150 students, the ratio of boys to girls is 2 : 3.

How many boys are in that grade?

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Answers (2)
  1. 12 July, 02:11
    0
    The numbers of boys in one grade are 60.

    Step-by-step explanation:

    As given

    In one grade of 150 students.

    The ratio of boys to girls is 2:3.

    Let us assume that the scalar multiple of boys and girls be x.

    Thus number of boys = 2x

    Number of girls = 3x

    Than the equations becomes

    2x + 3x = 150

    5x = 150

    x = 30

    Thus number of boys = 2 * 30

    = 60

    Therefore the numbers of boys in one grade are 60
  2. 12 July, 02:45
    0
    150/boys=2/3

    2 boys/450

    boys=450/2

    boys=225
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