A rectangular garden of length 50 meter and width 40 meter having a track of same width inside of its
periphery . If area of this track is 800 sq. m., then find the width of track.
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Step-by-step explanation:
Area of path = (40×2)+(30×2)−(2×2)
{−(2×2) for middle area being
counted twice }
=80+60−4=136m
2
⇒ square files needed =
areaof1tile
Totalarea
=
100
25
×
100
25
136
=136×16=2176
⇒ Total cost = Rs. 21760
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