The cost of leveling a rectangular field at the rate of 85 paise per sq. m is Rs.624.75. Find the perimeter, if its sides are in the ratio 5: 3.
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Area=624.75÷.85=735cm^2
ratio= 5:3
then 5x×3x=735
15x^2=735
x^2=735/15=49
x=7
perimeter = (3×7+5×7)×2
=112
ratio= 5:3
then 5x×3x=735
15x^2=735
x^2=735/15=49
x=7
perimeter = (3×7+5×7)×2
=112
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