How many kilometers can motorist travel 8:55 am to 10:15 pm at a rate of 60km/hr

Answer 1

8:55 am to 9:00 am = 5 min

9:00 am to noon = 3 h

noon to 10:15 pm = 10 h 15 min

Total time of travel:

t = 5 min + 3 h + 10 h + 15 min = 13 h 20 min

1 h = 60 min

1 min = 1 h / 60

20 min = 20 ∙ 1 h / 60 = 20 h / 60 = 20 h / 20 ∙ 3 = 1 h / 3

t = 13 h 20 min = 13 h + 1 h / 3 =

3 ∙ 13 h / 3 + 1 h / 3 =

39 h / 3 + 1 h / 3 = 40 h / 3

Distance = Speed ∙ Time

Speed = 60 km / h

Time = 13 h 20 min = 40 h / 3

Distance = 60 km / h ∙ 40 h / 3 = 2400 / 3 km = 800 km