Answer:
b=35
Explanation:
We are given that:
b=4a-5
and are asked to find b when a=10
So, we can first substitute in 10 for a:
b=4(10)-5
simplify
b=40-5
b=35
So, b=35.
Hope this helps! :)
Edit: There is not a c variable? I'm confused so I left this out.