A rectangular lawn 80m×60 m has two roads each 10m wide running in the middle of it, one parallel to the length and other parael to the breadth. Find the cost of gravelling them at ₹ 1.20 per sq meter
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Answer:
the cost of graveling them at ₹ 1.20 per sq meter = Rs. 1560
Step-by-step explanation:
The figure attached with this shows the pictorial representation of the given scenario.
The shaded region shows the roads.
To find the area of roads
It is given that,
A rectangular lawn 80m×60 m has two roads each 10m wide running in the middle of it
Dimension of two roads are 80X10 and 60X10
Area = 80x10 + 60x10 - 10x10 = 800 + 600 - 100 = 1300 square meter
To find the cost for graveling
It is given that,
the cost of graveling them at ₹ 1.20 per sq meter
Therefore total cost = total area x cost per sq meter = 1300x1.20 = RS.1560
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