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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

Respuesta :

[tex](100\% + 12\%) \times 4.25 \\ = 4.76[/tex]
1st jump + 12% 1st jump
u got 4.76m
for the winning jump
X=4.76 x 100/85
X=5.6m

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