Math, asked by divyanshu8622, 9 months ago

the length and breadth of a rectangular field is the 7 ratio 5 . if the length of the field is 70 ,find the cost of fencing the field at the rate of the 8 rupees per metre.​

Answers

Answered by LAKSHIYAARKTUTORIALS
6

Answer:

ratio \: of \: lenghth \: and \: breath \:  =  \: raio \: of \: their \: original \: lengths \\  \\  \frac{7}{5}  =  \frac{70}{breadth}  \\ breadth = 50m \\  now \: the \: cost \: of \: fencing \:  =  \: rs.8 \times 2(l + b) \\  = 16(120) \\ cost \: of \: fencing \:  =  \: rs.1920

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