A garden is in the shape of a rectangle of length 200 m and breadth 150 m. A path of width 5 m is left all around inside the garden along its boundary. Find the area of the path and the cost of cementing it at the rate of 40 per 20 m².
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Answer:
R$ 7200
Step-by-step explanation:
The length of the garden inc. path = lb = (200+10)x(150+10)
= 210 x 160
= 33600 m^2.
The length of the garden exc. path = lb = (200)x(150)
= 200 x 150
= 30000 m^2
Area of path = 33600 - 30000 = 3600m^2.
Total cost of cementing = (3600/20)x40
= 180 x 40
= 7200 R$
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