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16 April, 17:46

Sarah competes in a long jump competition

Her first jump is 4.25m

Her best jump is 12% more than this

However, her best jump is 15% lower than the winning jump

Work out the length Of The winning jump

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  1. 16 April, 20:02
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    So her best jump is 12% of her 1st jump. So this is:

    best jump = 1.12 * 4.25 m

    best jump = 4.76 m

    Since the winning jump is 15% lower, so this is only 85% of the best jump hence:

    winning jump = 0.85 * 4.76 m

    winning jump = 4.046 m = 4.05 m
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