the lenfth and breath of rectangular piece of land in the ratio 5:3. if the total cost of fencing at Rs7 per metre is Rs2800 ,find the area of the plot
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Let length be 5x
And breadth be 3x
Perimeter = total cost/ cost per m
= 2800/7
= 400
Perimeter of rectangle = 2(l+b)
400 = 2(5x+3x)
200 = 8x
200/8 = x
X = 25
So, length = 5x
= 5(25)
=125
Breadth = 3x
= 3(25)
= 75
Area = l×b
= 125×75
= 9375
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And breadth be 3x
Perimeter = total cost/ cost per m
= 2800/7
= 400
Perimeter of rectangle = 2(l+b)
400 = 2(5x+3x)
200 = 8x
200/8 = x
X = 25
So, length = 5x
= 5(25)
=125
Breadth = 3x
= 3(25)
= 75
Area = l×b
= 125×75
= 9375
If you satisfied mark it brainliest.
Your support is encouragement for us.
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