Question

A car can reach a Cartain place in
12 hours at the speed of 60km/hr By
how much should the speed increased so that it completes the journey in 10 hours​

Answer 1

Answer:

12km/h

Step-by-step explanation:

Speed=distance/time-----60=d/12

d=720km

Now t=10hrs

So,

Speed=720/10=72km/hr

That implies speed increased=72-60=12km/h

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Hope it helps

Answer 2

Step-by-step explanation:

given :12 hours at the speed of 60 km/hr

to find : how much should tthe speed increase

so that it complete the journey in 10 hours

solve:12 multiply by 60=720km/hr

720 divided by 10=72 km/hr

therefore,72km/hr speed will increased so that it completes the journey in 10 hours