14. A boy covers a distance of 20 km in 2 hours, partly on foot at the rate of 5 km/hour and partly on bicycle at the rate of 10 km/hour. Find thedistance covered on foot.
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14. A boy covers a distance of 20 km in 2 hours, partly on foot at the rate of 5 km/hour and partly on bicycle at the rate of 10 km/hour. Find thedistance covered on foot.
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Answer:
can you send me any link of that because I am shearing it is not coming
Let the distance covered by foot be 'x' km.
Total distance to be covered = 20 km
So,
Distance covered by bicycle = (20 - x) km
Case :- 1
We have
We know,
So,
Time taken to travel 'x' km at a speed of 5 km per hour is
Case :- 2
We have
So,
Time taken to travel '(20 - x)' km at a speed of 10 km per hour is
According to statement,
Total time taken to covered 20 km = 2hours
Additional Information :-