9. The length and breadth of a playground are 80 m and 35 m respective – InterviewSolution

1.	9. The length and breadth of a playground are 80 m and 35 m respectively(a) Find the cost of fencing it at 4.50 per sguareimetre(b) How long will a boy take to go three times round thefield, f he walks at the rate of 1.,5 metre persecond?
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