Two airlines offer special group rates to your school’s spanish club for a trip to mexico city. mexican air airline offers a round trip airfare of $250 per person. fiesta airline offers a round trip airfare of $150 per person if the club agrees to pay a one-time group rate processing fee of $1,000.

a. which airline offers the better deal if only nine students from the spanish club are able to fly to mexico city? explain your reasoning.
b. find the number of students for which the total costs are the same. explain how you determined the number of students.