Question: If a train leaves a station traveling south at 60 mph and another train leaves the same station traveling north at 80 mph, how far apart will they be after 1 hour?

Options:

1. 140 miles
2. 60 miles
3. 80 miles
4. 100 miles

Correct Answer: 140 miles

Solution:

After 1 hour, the southbound train will have traveled 60 miles and the northbound train 80 miles, making them 60 + 80 = 140 miles apart.