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21 September, 01:22

Of the people at sunrise school, 40% are female students, 5% are staff, and the remaining people are male students. There are 270 more male students than female students. How many people are at sunrise school?

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Answers (2)
  1. 21 September, 01:25
    0
    Answer: The total number of people is 1800

    Step-by-step explanation:

    If N is the total number of people in the school.

    We know that 0.4*N = number of girls = Ng

    0.05*N = staff = Ns

    0.55*N = number of male students = Nm

    We also know that

    Ng + 270 = Nm

    Now, we can wrie this as:

    0.4*N + 270 = 0.55*N

    And we solve it for N

    270 = (0.55 - 0.4) * N = 0.15*N

    N = 270/0.15 = 1800
  2. 21 September, 01:38
    0
    488.7

    Step-by-step explanation:

    40 + 5 = 45

    100 - 45 = 55

    55% = 270

    55 x 1.81 = 100

    270 x 1.81 = 488.7 (488.7 = 100%)
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