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

Question

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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Kennedy 1 week 2021-11-25T20:48:17+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-25T20:49:19+00:00

    Answer:

    9.83 seconds

    Step-by-step explanation:

    Reduced by 1% means 99% of the previous

    (99/100)×9.93 = 9.8307

    0
    2021-11-25T20:49:33+00:00

    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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