Answer:
t = 12.5s
Step-by-step explanation:
Key skills needed: Proportions, Variations, Equations
1) Each student ticket costs $12.50.
2) this means for every 1 ticket purchased (s), $12.50 is being added to the total cost.
This means that The total cost is always 12.5 times the number of tickets sold.
3) This means we can make this ---> t = 12.5s
Hope you understood and have a nice day!! :D