Algebra

An inspector of weights and measures uses a special set of weights to check the accuracy of scales. Various weights are placed on a scale to check the accuracy of any amount from 1 oz. to 15 oz. What is the fewest number of weights the inspector needs? What weights are needed to check accuracy of scales from 1 oz. through 15 oz.? From 1 oz. through 31 oz.?

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asked by Kali
  1. a. 8 Weights.

    b. 1, 3, 5, 7, 9, 11, 13, 15 oz.

    c. Same as b.

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    posted by Henry

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