A ticket to a movie cost t dollar and there is a 15% tax on each ticket.

Write an expression in terms of t to show the total cost.

Using your expression above with t= 12.50 cost of a ticket. What is the total amount? Show your work

The expression to show the total cost is t + 0.15t.

To find the total amount when t=12.50, we substitute this value into the expression:

Total amount = 12.50 + 0.15(12.50)
= 12.50 + 1.875
= 14.375

Therefore, the total amount is $14.375.