The reference point you should use to find out how far Ned traveled when he went from the pet store to the swimming pool is the starting point, which is the pet store. Ned traveled a distance of 500 meters.
To find out how far Ned traveled when he went from the pet store to the swimming pool, the reference point you should use is a fixed location that is known or easily measured. One common reference point is the starting point, which is the pet store in this case.
Here is a step-by-step process to determine the distance Ned traveled:
1. Measure the distance from the pet store to the swimming pool. This can be done using a measuring tool like a ruler or a measuring app on a smartphone. Let's say the distance is 500 meters.
2. Calculate the distance from the reference point (pet store) to the destination (swimming pool). In this case, the distance from the pet store to the swimming pool is 500 meters.
3. Keep in mind that the distance traveled is the total distance from the starting point to the destination. In this case, the distance traveled by Ned is 500 meters.