jamasalma2009 jamasalma2009

20-09-2021
Mathematics

contestada

Sara has swimming lessons every fifth day and driving lessons every third day. If she had a swimming lesson and drving lesson on May 5, when will be the next date on which she has both swimming and driving lesson?

She will have both driving and swimming lessons on May

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musiclover10045 musiclover10045

20-09-2021

Find the least common multiple of 3 and 5:

3: 3,6, 9,12,15,18,21

5: 5, 10, 15, 20

The least common multiple is 15. This means every 15 days they will be the same day.

Add 15 days to May 5:

5 + 15 = 20

The next day would be May 20

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