Answer:
30
Step-by-step explanation:
3 pieces each 1 dekameter long
1 dekameter = 10 meters
Convert dekameters to meters
3 pieces each 10 meters long
Multiply
Glenn has 30 meters of lanyard
Divide
He can cut 30 1-meter pieces
Hope this helps :)
Let's begin by listing out the information given to us:

We are to find the value of y
Order of Operations, I'm pretty sure
I think this is what your talking about