14. Find the number of marble slabs, each of dimension 40 cm x 20 com to be laid around a square park of side
18 m, to a width of 2 m.
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Step-by-step explanation:
area of park =18*18= 324m²
now area of path with width of 2m=(18+2)*(18+2)=400m²
area of width=400-324=76m²
area of marble=40*20cm²
or (40*20/10000)m²
no. of marbles =area of width/area of marble
=76*100/8
=950 marbles
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