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5 November, 18:30

Enny is cooking a chicken for dinner. A chicken needs be cooked for 40 minutes per kilogram, plus an extra 20 minutes. How long will it take to cook a chicken weighing 3 kilograms

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Answers (2)
  1. 5 November, 20:22
    0
    140

    Step-by-step explanation:

    First you put it into an equation (40x + 20=?)

    Plug in what you know, in this case x=3.

    40 (3) + 20=?

    Now solve.

    40 times 3 equals 120. 120 plus 20 equals 140.

    40 (3) + 20 = 140
  2. 5 November, 20:33
    0
    140 minutes (2 hours and 20 minutes)

    Step-by-step explanation:

    The expression would be:

    Let x = kilograms

    40x + 20

    substitute our value in:

    40 (3) + 20

    120 + 20

    140 minutes
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