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Mathematics 20 Online
OpenStudy (anonymous):

The weight of an object on a particular scale is 145.2 lbs. The measured weight may vary from the actual weight by at most 0.3 lbs. What is the range of actual weights of the object? A.144.9 <=x <=145.5 B. 144.9>=x<=145.5 C. 144.9>=x>=145.5 D.x<=144.9 or x>=145.5

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