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Yesterday, 01:00

A marketing company surveys 1,200 people. They surveyed twice as many females as males. How many males and females did they survey

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  1. Yesterday, 01:16
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    Answer: 400 males and 800 females.

    Step-by-step explanation:

    Hi, to answer this question we have to write a system of equations:

    f + m = 1200 (A marketing company surveys 1,200 people, females and males)

    f = 2 m (they surveyed twice as many females as males)

    Where:

    f : number of females m: number of males

    Replacing the value of f in the first equation:

    (2m) + m = 1200

    3m = 1200

    m = 1200/3

    m=400

    Replacing the value of m in the second equation

    f = 2m

    f = 2 (400)

    f = 800

    Feel free to ask for more if needed or if you did not understand something.
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