a path 5 m wide runs along inside rectangular field the length of the rectangular field is 3 times the breadth of the field if the area of the path is 500 m then find length or breadth of the field.
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(10+3x)(10+x)-(3x)(x)=500
40x=400
x=10
breadth=10
length=30
40x=400
x=10
breadth=10
length=30
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