For what number of students will the total cost of each field trip be the same, and what will that cost be?

For what number of students will the total cost of each field trip be the same and what will that cost be class=
For what number of students will the total cost of each field trip be the same and what will that cost be class=
For what number of students will the total cost of each field trip be the same and what will that cost be class=