Answer:
Option C. 16 hours
Explanation:
John, a hiker walked 12 kilometers in 6 hours
Formula to get average speed =
Average speed of John =
= 2 km/hour
He needs to cover 32 more kilometers at the same walking speed.
John will take time to cover 32 km =
= 16 hours
John would take 16 hours to cover the remaining distance.