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The expression 2l+2w represents the perimeter of the doctor's office. If the width w is 4 ft and the length l is 5 ft, what is the perimeter of the office? Be sure to show work. A. 9 ft B. 12 ft C. 15 ft D. 18 ft |
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Answer» Step-by-step EXPLANATION: perimeter=2×(length+breadth) =2×(5+4) =2×9 =18ft ANS. |
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