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konstantin123 [22]
3 years ago
5

Megan is taking piano lessons and gymnastics lessons. She has piano lessons every 7 days and gymnastics every 3 days. How often

does she have both on the same day?
Mathematics
2 answers:
mario62 [17]3 years ago
6 0
Every 3 weeks=21 days. this is because 21 is the lowest common factor of 7 and 3
bija089 [108]3 years ago
6 0
She has both in the same day every 21 days :)
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