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Mathematics, 02.08.2019 07:00 poliver

Andres completed a 5-km race in 3.5 minutes. his sisters time was 1 1/2 times longer than his time. how long in minutes, did it take his sister to run the race? !

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Andres completed a 5-km race in 3.5 minutes. his sisters time was 1 1/2 times longer than his time....
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