Answer:
Han would've run 10000 ft
Lin would've run 15000 ft
Explanation:
This can be easily solved using multiplication
If Han runs 500 ft in 1 minute, the equation will be 500*20, so 10000 in 20 minutes
If Lin runs 750 ft in 1 minute, the equation will be 750*20, so 15000 in 20 minutes