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19 March, 21:50

At Rome in 1987 Candian Ben Johnson reduced the world record time for 100m, 9.93 seconds, by 1%. What was the new world record (correct to 2 decimal places).

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Answers (2)
  1. 19 March, 22:10
    0
    9.83 seconds

    Step-by-step explanation:

    Reduced by 1% means 99% of the previous

    (99/100) * 9.93 = 9.8307
  2. 19 March, 22:31
    0
    Answer: new record for 100m is 9.83seconds

    Step-by-step explanation:

    1% decrease = 1/100 * 9.93 seconds

    =0.0993

    New record = 9.93-0.0993
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