Question

1. I reach my office 40 minutes late if I walk from my house at the speed of three km/hour. I shall be 30 minutes early if I walk at the speed of 4 km/hour. Find the distance between my house and the office in km.
PLZ ANSWER ME ​

Answer 1

Answer:-

Time taken to travel at 3 km/hour = x/3 hour

Time taken to travel at 4 km/hour = x/4 hour.

Total difference in time =

→ 40 minutes + 30 minutes

→ 70 minutes or 70/60 hours.

hope it helps u buddy✌

Answer 2

Answer:

14 km

Step-by-step explanation:

Time taken to travel 3 km/hr = x/3 hr

Time taken to travel 4km/hr = x/4 hr

Total difference in time = 40min +30min = 70 minutes or 70/60 hours

x-3/x-4 = 70/60

x/12 = 7/6

x = 14

Hence, the distance between house and office is 14 km

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