A rectangular garden is (2x+5) meters long and (x- 1) meters wide. It is surrounded by 3m path walk. At least how many meters of wire should be bought to enclose the garden with the path walk?
6x + 32
3x +16
3x + 10
6x + 20
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Length,l=110m
Breadth,b=90m
Area of garden=l×b=110∗90=9900m
2
When new path is included then,l=120m and b=100m
Sothat area=l×b=120×100=12000m
2
Area of path=12000−9900=2100m
2
1 hectare=10000m
2
Therefore area of garden=
10000
2100
=0.21 hectares
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