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Maths

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60% of the people on a bus are male. After 1/3 of the males alighted from the bus, what percentage of the people left on the bus are females?

  • Maths - ,

    Hmmmm. Alighted? My Lord, were they flying?

    Anyway, 1/3 of 60 percent is 20 percent, so on the bus remains 40 percent male and 40 percent female

    PrecentMaleThere= 40/80=50 percent

  • Maths - ,

    X = The # of people on bus.
    0.6X = The # of males on bus.

    (1/3) * 0.6X = 0.2X = The # of males exited bus.
    0.6X - 0.2X = 0.4X = The # of males
    remaining on bus.

    X - 0.2X = 0.8X = The # of people on bus.

    %Male = 0.4X / 0.8X = 0.5 = 50% = Percentage of male remaining on bus.

    100% - 50% = 50% Females.

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