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11 May, 21:05

Q varies inversely with (5-t). If Q = 8 when t = 3, find the value of: t when Q = 16

Don't quite understand what to do. Step by step answer would be great!

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Answers (2)
  1. 11 May, 21:12
    0
    4

    Step-by-step explanation:

    Q*1/5-t

    Q=k/5-t

    8=k/5-3

    8=k/2

    8x2=16

    k=16

    Q=16/5-t

    16=16/5-t

    16 (5-t) = 16

    80-16t=16

    80-16=16t

    64/16=t

    t=4
  2. 11 May, 21:26
    0
    t = 4
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