Answer:
Step-by-step explanation:
%change=100(final-initial)/(initial)
For just the ticket
%change=100(375-300)/300=25%
For the ticket and baggage fee of $50
%change=100(375+50-300)/300=42%
First one is y=4x and the second one is y=2x
-105
Multiply first, then subtract, then add.