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Mathematics, 09.11.2020 15:20 JThomas04

Mara and alex are running laps around a track. Alex completes a lap every 45 secs and Mara every 36. If they starts at the same time, how long will it be until they cross the start line together? Plz its for homework that is due TOMORROW...

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Mara and alex are running laps around a track. Alex completes a lap every 45 secs and Mara every 36....

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