Amery has x books that weigh 2 pounds each and y books that weigh 3 books each. The total weight of his books is 60 pounds. a. Write a linear model that relates the number of 2 pound books to the number of 3 pound books Amery has. b. If amery has 10-3 pound books, how many 2-pound books does he have?
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answers is 180
weight is 190 weight
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