Question: Set up appropriate equations and solve the given stated problems. All numbers are accurate to at least two significant digits.
A commuter rapid transit train travels 24 km farther between stops A and B than between stops A and C If it averages 60 km/h from A to B and 30 km/h between B and C, and an express averages 50 km/h between A and C (not stopping at B), how far apart are stops A and C?