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Answer:
The area of the field is [tex]\frac{9}{20}[/tex] [tex]miles^{2}[/tex]
Step-by-step explanation:
To get the area, multiply the length and the width together: [tex]\frac{9}{10}[/tex] * [tex]\frac{1}{2}[/tex] = [tex]\frac{9 * 1}{10*2}[/tex] = [tex]\frac{9}{20}[/tex][tex]miles^{2}[/tex].