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Mathematics, 09.07.2019 08:30 theojw

Carley beat the school record for the 400 meter run by 1.3 seconds. if she ran the race in 55.7 seconds, what was the record?

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Carley beat the school record for the 400 meter run by 1.3 seconds. if she ran the race in 55.7 seco...
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