Math

Sarah competes in a long jump competition her first jump is 4.25 m her best jump is 4% 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. .85 w = 4.25 * 1.04

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  2. Best jump = 4.25 + 0.04*4.25 = 4.42 m.

    Winning jump = X meters.
    X - 0.15X = 4.42.
    0.85X = 4.42,
    X = 5.2 m.

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