Answer:

Explanation:
A proportion is setting two ratios to be equal to each other.
You are given the price of 1 ticket, so you can set up a ratio of price to ticket.
$6.25 to 1 ticket, or

The other ratio involves the $25 and the unknown number of tickets, t, $25 can buy.
$25 to t tickets, or

To write a proportion, set the two ratios equal.

This proportion does not appear in the choices.
Take the reciprocal of both sides.
