Question

One metre wide path is built inside a square park of side 30 m along its sides. The remaining

part of the park is covered by grass. If the total cost of covering by grass is Rs 1176, find the rate

per square metre at which the park is covered by the grass.

Answer 1

30×30=900
900-(1×30)=870
1176÷870=1.35...

Answer 2

Answer:

Step-by-step explanation:

Cost of per metre square is 1.5 rupees

And area covered by grass is 784m^2.

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You have to first find the side of inner square by subtracting the side of the outer square by width of the path from both sides.

You will get 28 m. ( 30 - 2 ).

Then u can find area = 784 m^2.

Cost = 1.5 rupees