Asked by Anonymous
The length and breadth of a rectangular are in the ratio 5:3 .If the cost of reaping the field at 85 paise per square metre is Rs 624.75 find the cost of fencing it at the rate of Rs 4per metre
Answers
Answered by
Reiny
length --- 5x m
width ----- 3x m
Area = 15x^2 m^2
15x^2 *.84 = 624.75
solve for x, and from there find the length and width.
Perimeter = 2length + 2 width
= 10x + 6x = 16x
cost of fencing = 4(16x) = 64x = .....
width ----- 3x m
Area = 15x^2 m^2
15x^2 *.84 = 624.75
solve for x, and from there find the length and width.
Perimeter = 2length + 2 width
= 10x + 6x = 16x
cost of fencing = 4(16x) = 64x = .....
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