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TheAnimeGirl

so the answer is 36.

Hope this will help u...

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Sarah06109

Answer:

36 necklaces

Step-by-step explanation:

Make a proportion

12/20=x/60

Cross multiply

20x=720

Divide by 20 on both sides

x=36

So, she can make 36 necklaces in an hour

Hope this helps! :)