Question

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.

Answer 1

If we let p and t be the masses of the paper and textbook, respectively, the equations that would best represent the given in this item are:

     (1)       20p + 9t = 44.4

     (2)       (20 + 5)p + (9 + 1)t = 51

The values of p and t from the equation are 0.6 and 3.6, respectively. Thus, each paperback weighs 0.6 pounds and each textbook weighs 3.6 pounds.

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Answer 2

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.

Step-by-step explanation:

$46-22.6=23.4$

Hope this helps!