Answer:
875/74 hours
Step-by-step explanation:
51/5 km = 10500 m
Calculate: 10500 : 94/5 = 52500/94 minutes
Simplify: 52500/94 minutes = 26250/47 minutes
Convert to hours : 26250/47 minutes = 26250/2820 hours
Simplify: 26250/2820 hours = 875/74 hours