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In a certain chemical, the ratio of zinc to copper is 4 to 11. A jar of the chemical contains 506 grams of copper. How many grams of zinc does it contain?
Answers: 3
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Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
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Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1
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In a certain chemical, the ratio of zinc to copper is 4 to 11. A jar of the chemical contains 506 gr...
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