a water tanker can finish a certain journey in 10hrs at the speed of 38hm/hr .by how much should its speed be increased so that it may tak only 8 hrs to covers the same distance
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Answer:
It's speed should be 47.5 km/ph
Step-by-step explanation:
Given=Time taken to cover journey=10 Hours
speed in 10 hours =38 km/pH
distance=speed×time taken
38 km/pH × 10 hours
=380 km
speed to cover distance of 380 km in 8 hours =380÷8
=47.5 km/pH
Conclusion=The speed of the water tanker should 47.5 km/pH to reach its destination in 8 hours.
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