Mathematics
Mathematics, 27.10.2020 01:00, sushiboy668

The two discs in the figure rotate at different speeds. The smaller disc rotated once every 10 minutes. The larger disc takes 14 minutes to rotate. If they both start rotating at the same time, how long until the two arrows align again?

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The two discs in the figure rotate at different speeds. The smaller disc rotated once every 10 minut...

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