Question

a boy covers a distance of 25 km in 3 hours partly on foot at the rate of 5 km per hour and partly on bicycle at the rate of 10 km per hour find the distance covered on foot

Answer 1

Answer:

Step-by-step explanation:

hello dude

x=3.5*t

25-x=9*(4-t)

25-3.5t=36-9t

5.5t=11

t=2

x=3.5*2=7km

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Answer 2

step-by-step solution