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? (iii) How long would he take to cover 3.5 km?​

Answer 1

Answer:

1)2km/h .

1)2km/h .2) 4.5 km

1)2km/h .2) 4.5 km 3 1.75 h

Step-by-step explanation:

1)

100/3 ×60 =2000m =2km/h.(speed)

2)

d=t×s

2×2 =4km =4000m( q 1)

100/3×15

=500m(q2)

add q1 and q2

4.5km

3)

t=d/s

t=3.5/2

=1.75h