Answer:
For Gwen:-
x + 10y = 30
x + 15y = 40 - Tristan
if we subtract the above equations:-
we get
5y = 10
y = 2
That is the cost of each ticket is $2.
Step-by-step explanation:
One,,,,,,,,,,,,,,,,,,,,,,
510000
20x+5=24x-1
4x=6
x=3/2