Answer:
Hello!!
Peter works at a bookstore. He packed 3 identical paperbacks and 2 identical textbooks in a box. The total mass of the books was 22.6 pounds. After he put 3 more textbooks and 1 more paperback in the box, the total mass of the books was 46 pounds.
The weight of the 3 textbooks and 1 paperback was 23.4 pounds.
Explanation:
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