Question

A path 2 m wide runs along inside the boundary of a square field whose side is 70 m.
The path is to be levelled and rest of the field is to be manured. Find the total expenses involved, if the cost of levelling the path is Rs. 4.50per m^2 and that of manuring the field is Rs. 0.75 per m²?
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Answer 1

Step-by-step explanation:

First find the area of the field with path = (70)²= 4900 m²

Now find the area of the field without the path,i.e,

Now find the area of the field without the path,i.e, (70-2)² = (68)² = 4624 m²

• Now area of the path = (Total area - area without the path) = (4900-4624) = 276 m²
• Now, Cost of leveling the path at ₹4.50/m² = ₹(276×4.50) = ₹1242
• Now Cost of manuring the field at ₹0.75/m² = ₹(4624×0.75) = ₹3468

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