Mathematics, 08.07.2019 18:30 kaylatunell123

Whe she was in year 8, sarah could run 800 metres in 3 minutes and 20 seconds. three years later, when she was in year 11, she could run 800 metres in 2 minutes and 44 seconds. find the percentage improvement in her time.

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Whe she was in year 8, sarah could run 800 metres in 3 minutes and 20 seconds. three years later, wh...

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