A/3=7/10
21=10a
a=2.1
100a=100*2.1=210
The answer is -0.083333333333333
Answer:
Let's find out!
Step-by-step explanation:
So we have to set up an equation
Let x= # of ribbons that can be cut
Thus:

So, we cannot have 36/7 ribbons! It's not possible!
So we just simplify!

There we go! She can cut 5 ribbons off!
I'll let you figure out the last one!
Hope this helps!
P.S. Stay Safe!