Answer:
12/7 miles
Step-by-step explanation:
Area of rectangle = length × width
Area = 3/7miles² , length = 2/8 miles
Therefore
Area = l x w
3/7 = 2/8 × w
Divide both sides by 2/8
Therefore
W = 3/7 ÷ 2/8
Width = 3/7 × 8/2
Width = 3/7 × 4
Width = 12/7 miles
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