It will take him 30 hours
Answer:
Step-by-step explanation:
a) Yes.

b) Yes

c) Yes

d) No

12 / 6
Therefore the answer is 2
Hope this helped you today,
Have a good dayN
Speed=distance/time
suppose the distance of the first day is d, and the time is t
distance of the second day: d+0.17d=1.17d
time of the second day: t+0.2t=1.2t
speed of the second day: 1.17d/1.2t=0.975(d/t)=(1-0.025)(d/t)
so the speed of the second day is 2.5% slower than the first day.