Answer :
Width of a rectangular park is equal to [tex]\boldsymbol{\frac{24}{35}}[/tex] mile.
Area of a rectangle
Area of a rectangle [tex]=[/tex] Length [tex]\times[/tex] Width
Area of a rectangular park [tex]=\frac{3}{5}[/tex] square mile
Length of a rectangular park [tex]=\frac{7}{8}[/tex] mile
[tex]\frac{3}{5}=\frac{7}{8}\times[/tex] Width of a rectangular park
So,
Width of a rectangular park [tex]=\frac{3}{5}\times \frac{8}{7}[/tex]
[tex]=\boldsymbol{\frac{24}{35}}[/tex]
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