Question

I have a test coming and im not doing so hot for review. Can I get some help?​

Answer 1

30

Explanation:

1 dekameter is 10 meters, so one piece of the ribbon can make 10 key chains. But since he has 3 pieces of ribbon, that means he can cut 30 pieces of ribbon.

Answer 2

30 pieces

Explanation:

1 dekameter=10 meters