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22 March, 08:55

On average, people of a certain country spend 20.5 hr per month watching videos on a computer or on a television. They spend 2.1 more hours watching videos on a television than on a computer. How much time do they spend on each?

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  1. 22 March, 08:59
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    Computer: 9.2

    Television: 11.3

    Step-by-step explanation:

    T=television

    C=computer

    T+C=20.5

    C+2.1=T

    Subs C+2.1=T into T+C=20.5,

    C+C+2.1=20.5

    2C+2.1=20.5

    2C=18.4

    C=9.2

    Subs C=9.2 into C+2.1=T,

    9.2+2.1=T

    T=11.3
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