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Today, 17:38

Mark recorded two temperature measurements for experiment one was 2/3 of another measurement. if the sum of the measurements - 30degrees c, what two measurements were recorded?

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  1. Today, 18:25
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    X + y = - 30

    x = 2/3y

    2/3y + y = - 30

    2/3y + 3/3y = - 30

    5/3y = - 30

    y = - 30 * 3/5

    y = - 90/5 = - 18

    x = 2/3y

    x = 2/3 (-18)

    x = - 36/3 = - 12

    the 2 measurements recorded were : - 18 and - 12
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