Posted by **Madeline** on Wednesday, December 29, 2010 at 8:04pm.

If Kate sang a note every 2 seconds and Gaby sang a note every 6 seconds and Laney sang a note every 16 seconds, how often would they all sing at the same time?

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**Ms. Sue**, Wednesday, December 29, 2010 at 8:13pm
What is the least common multiple of 2, 6, and 16?

Hint: What is the smallest number that is evenly divisible by 2 and 6?

16, 32, 48, 64, 80

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**Madeline**, Wednesday, December 29, 2010 at 8:16pm
How do I write 5/16ths as a decimal??

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**Ms. Sue**, Wednesday, December 29, 2010 at 8:21pm
Divide 5 by 16.

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**Madeline**, Wednesday, December 29, 2010 at 8:32pm
Thank you so much!!

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**Ms. Sue**, Wednesday, December 29, 2010 at 8:35pm
You're very welcome.

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