SOLUTION: a car travel first 30 km with a unifom speed of 60 km/h and the next 30 km with uniform speed of 40 km/h calculate first the total time of journey and average speed of the car?
Algebra.Com
Question 343938: a car travel first 30 km with a unifom speed of 60 km/h and the next 30 km with uniform speed of 40 km/h calculate first the total time of journey and average speed of the car?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
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hr
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hr
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Total Time:hrs=minutes
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Average Speed=Total Distance/Total Time
km/h
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