Question

a boy covers a distance of 25 km in 3hr partly on foot at thee rate of 5km/hrs and partly on bicycle at the rate of 10km/hrs. find the distance covered on foot ​

Answer 1

Answer:

5km

Step-by-step explanation:

Let x be the kms travelled by foot and 25-x be kms travelled by bicycle.

(x/5)+ (25-x)/10 = 3

10x + 125 -5x = 150

5x = 25

x = 5