Question

A man walks 100 m in 3 min.
(i) Find his speed in km/h.
(ii) What distance would he cover in 2 h 15 min?​

Answer 1

Step-by-step explanation:

3 min - 100m

1min - (100/3)m

60 min - (100/3)*60m = 2000m = 2km

speed - 2km/h

1h - 2km

2h - 2*2 = 4km

1min - 100/3 m

15 min - (100/3)*15=500m

2h 15 min = 4500m = 4.5km

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Answer 2

Answer:

ans1

speed-d/t

100m / 3min,

100m/30multiply60 sec

5/9m/s

5/9 multiply 18/5 km/h

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ans is 2 km/h