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| 1. |
A car travelling at an average speed of 100km/h covers a distance in 3hrs 20minutes.At what constant speed must the car travel to cover the same distance in 2hrs 40 minutes |
| Answer» 125 km/hrExplanation:Speed =distance /TIME Speed=100km/hrtime =200 MINUTES =200/60=10/3 hrDistance =speed *time Distance =100*10/3=333.33 KM (1)The CAR travel to cover the same distance in 2hrs 40 minutes Find speed Time =160/60=8/3 hrsSpeed =(100*10/3)/(8/3)=(100*10*3)/(8*3)=100*10/8=125km/hr | |