Question

nagam runs around a rectangular park 180 m long and 120 m wide at the rate of 7.5km/hour. in how much time will she complete five rounds?

Answer 1

Step-by-step explanation:

perimeter of rectangular park=2 (l+b)

2 (180+120)

2×300=600m

speed 7.5Km/hour

five round complete=600×5=3000m=3km

time=distance/speed

3/7.5

30/75

6/15

2/5hour

2/5×60

24minute