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

>First jump = 4.25 m

>Best jump = 1.12 * First jump

Best jump = 1.12 * (4.25 m)

Best jump = 4.76 m

>Best jump = 0.85 * Winning jump

Hence,

Winning jump = Best jump / 0.85

Winning jump = 4.76 m / 0.85

Winning jump = 5.6 m

m∠vru = 80°

m∠urw = 15°

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