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Roll the number cube to find the observed frequency. Which statements are true? Check all that apply
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Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
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Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
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Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
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Roll the number cube to find the observed frequency. Which statements are true? Check all that apply...
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