Question

6. A rectangular field is 72 m by 58 m. Amar walks
round it at the rate of 3 km per hour. What time
will he take in taking 2 rounds.​

Answer 1

Answer:

tep-by-step explanation:

1.First take out the

perimeter=2(72×58)m=260m.

2.Then, take out the double of field to

see how much distance he covers

in 2 rounds=2×260m=520m

3.Take out the speed he walks in 1.

min=3000/60m=50m.

4.Since, time needed to walk 2

times around the field is

Distance/Speed=Time. Therfore,

520/50 mins=10.4 mins

5.Then, convert these mins to

secs=10.4 min=624 secs.

6.Last step, convert 624 secs into

mins=624/60 mins= 10 mins 24

secs.

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