Mathematics, 09.07.2019 00:00 hannahkharel2

When she was in year 8, sarah could run 800m 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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When she was in year 8, sarah could run 800m in 3 minutes and 20 seconds three years later, when she...

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