On Sunday, Wang Hong went to the bookstore to buy books. She walked 5/8 kilometers in 1/5 hours. According to this calculation, how many kilometers did Wang Hong walk in 1 hour? How many hours does it take to walk 1 km? 5/8km1/5h = 25/8km/hr.

1/5 hours? 5/8 km = 8/25 hours/km