The third and fourth grade teachers are planning a trip for their classes to the zoo. There are 173 third graders and 124 fourth graders. Each seat on the buses
fits 3 students.
Which expression represents the closest estimate of the number of seats on the
buses that are needed for the students?
(180 + 130) : 3
(180 - 130) x 3
(175 + 125) :3
(175 - 125) x 3
Done-
L