1.

The perimeter of a rectangular Park is 70 m. If its breadth is three-fourths of the length, find the length of the park.

Answer» LET LENGTH be l
breadth=3/4of l
p=70m
p=2(l+b)
70=2(l+3/4l)
70=2(4l+3l/4)
70=2(7l/4)
70=14l/8
70=7l/4
70*4/7=l
10*4=l
40=l
l=40m.


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