SOLUTION: Sue goes to dance class every two days and Ann goes every seven days. If they both went today then how many days will it be until they both go again?

Question 1048149: Sue goes to dance class every two days and Ann goes every seven days. If they both went today then how many days will it be until they both go again?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The smallest number of days that is divisible by both 2 and 7. Since 2 and 7 are both prime, the least common multiple is the product of the two.

John

My calculator said it, I believe it, that settles it

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