A boy takes 10 min to walk from his house to the bus stop. If his average walking speed is 4km/hr, estimate the distance from his house to the bus stop.
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Answer:
Difference in timing=20 min=31 hr
∴3x−4x=31
⇒4x−3x=4
⇒x=4 km
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Explanation:
Time Take = 10 min
Since the speed is in hours we have to convert the time in hours.
Therefore :- 1 min = 1 ÷ 60 hours
10 mints = 10 ÷ 60 hours
= 0.167 hours
Distance = Speed × Time
= 4 km/hr × 0.167 hrs
= 0.668 km or 688 m
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