Answer :
Final answer:
The width of the rectangular field cannot be determined with the given information.
Explanation:
To find the width of the rectangular field, we need to know its length. Let's assume the length of the field is 'L' feet. According to the given information, the width is 20 feet less than the length. So, the width can be represented as (L - 20) feet. Since the length is not provided, we cannot determine the exact width. Therefore, we need more information to find the width of the field.
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