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Mathematics, 10.06.2020 21:57 ronaldo22

Ronald and Kaili ran a 400 meter race Ronald’s time was 1 minute 51 seconds and Kaili’s time was 2 minutes 34 seconds. How much fast was Ronald’s I’ve than Kaili’s?

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Ronald and Kaili ran a 400 meter race Ronald’s time was 1 minute 51 seconds and Kaili’s time was 2 m...
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