Answer:
5 + 6x = 221
Where, x represents the number of student in each bus.
Step-by-step explanation:
Let x be the number of student in each bus,
Since, there are 6 bus,
Thus, the number of students in all buses = 6x,
Also, 5 students ride in van,
So, the total students in trip = 5 + 6x,
According to the question,
Total students in the trip = 221,
⇒ 5 + 6x = 221,