Answer:
Step-by-step explanation:
Let s be the number of students in each of 6 buses. Then there are 6s students in all buses.
Five of the students ride in a van. In total, in a van and in buses there are students.
There are 221 students on a filed trip. So,
Take as common. Then,
$0.21
We can set up a proportion. Say x is the cost of 1 wristband:
Now, we cross multiply:
25x = 5.25
Solving for x, we see that x = 0.21.
Thus, the answer is $0.21.