Question
You have a dance class every three days. Today is Monday, and you have dance class. In how many more days will you have dance class on Monday again? Use the LCM to find your answer. Then check your answer using the Calendar show. And what day will you have dance class on Monday again?
Asked by: USER4872
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285 Answers
Answer (285)
7 days in a week, 3 days a rotation.
multiples of 7: 7, 14, 21, 28
multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24
the LCM is 21, because it is the smallest multiple of both numbers. there will be 21 more days until you take dance class on Mondays
Six more days until its Monday next week