Practical Mathematics for Grade 12, Problem ID: 5137

Practical Mathematics K12A girl walked along a level road and up a hill from home and back.
Her pace on the level is 4 km an hour, uphill 3 km, and downhill 6 km.

How much time does it take if the total distance is 20 km?

Inspired by Lewis Carroll's Tangled Tale


4 hours5 hours3 hours6 hours