Question

Aboy covers a distance of 25km in 4hours partly on foot at the rate of 3.5km/hr and partly on cycle at 9km/hr.Find the distance covered on foot. please answer in full explaination Iwill marked as you a brainest​

Answer 1

Answer:7km

Step-by-step explanation:

Distance covered on foot = x hours

Distance covered on cycle = 4 - x hours

Now,3.5x + 9 (4 - x) = 25

Again, 3.5x - 9x +36= 25

5.5x =11

x = 2

Ans, = 3.5x = 3.5 *2 = 7km

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