(a)A train completed a journey of 850 kilometres with an average speed of 80 km/hr.

1 answer:

Yanka [14]3 years ago

6 0

Answer:

a. 850/85 = 10.625 hr or 10 hr 37 min 30 sec

b. 6:08 AM

C. Average time is (10.625 + 10.8)/2 = 10.7125

or 10 hour 42 min 45 sec

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