Final answer:
The bags took the same amount of time as the bus to reach the camp.
Step-by-step explanation:
To find out how long the bags took to reach the camp, we can use the formula:
time = distance / speed
The distance travelled by the bags is the same as the distance travelled by the bus, since they started at the same time and reached the camp at the same time. Therefore, the time taken by the bags is also 3 hours.
So, the kids had to wait for their bags for 3 hours.