First you wanna add the y plus 3 equals 4 minus 5
What line? You are not giving a full question. No one would be able to help you. Sorry.
Answer:
45/63
Step-by-step explanation:
6 3/10=63/10, 4 1/2=45/10,
(45/10)/(63/10)=45/63
$2.40 for binding
10 cents ($0.10) per page
cost=binding+pagescost
binding=2.40
pagescost=costperpage X number of pages=0.10*n if n=number of pages
so
cost=0.10n+2.40
or
C(x)=0.10n+2.40
the fixed cost is the binding