Ajay can walk 6km in 1 hour. In how many hours he can walk 45km?	Select the correct option.
A) 5 hrs
B) 10 hrs
C) 7.5 hrs
D) 20 hrs
E) 30 hrs

Rationale: "1 hour he walk 6 km he walk 45 km in = 45 / 6 * 1 = 7.5 hours answer is c"
Answer: C