SOLUTION: What is the average speed of a vehicle that travels at 85km in 2 hours and 25 minutes?

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Question 939133: What is the average speed of a vehicle that travels at 85km in 2 hours and 25 minutes?
Answer by srinivas.g(540) About Me  (Show Source):
You can put this solution on YOUR website!
Distance =85 km
Time= 2 hr 25 min
1 hr =60 min
25 min= 25/60 hr= 5/12 hr
Time= 2 hr 25 min=+%282%2B%285%2F12%29%29
=2%2A%2812%2F12%29%2B%285%2F12%29
=24%2F12+%2B5%2F12
=%2824%2B5%29%2F12
=29%2F12
Speed=distance/time
=85%2F29%2F12
=85%2A12%2F29
=35.17 kmph
Average speed= 35.17 kmph