A 4th grade class took a field trip to a science museum. There are 24 students in the class. Each student
purchased a $9 ticket for the museum and a box lunch, which was also $9.
Estimate the total cost of the field trip.
![A 4th grade class took a field trip to a science museum There are 24 students in the class Each student purchased a 9 ticket for the museum and a box lunch whic class=](https://us-static.z-dn.net/files/d22/97720f85693242ae61f7bb65885c59d3.png)