Mathematics, 30.01.2020 08:57 squidmeat12
Oliver works at a bookstore. he packed 20 identical paperbacks and 9 identical textbooks in a box. the total mass of the books was 44.4 pounds. after he put 1 more textbook and 5 more paperbacks in the box, the total mass of the books was 51 pounds.
write a system of equations that can be used to determine p, the mass, in pounds, of one paperback, and t, the mass, in pounds, of one textbook.
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Oliver works at a bookstore. he packed 20 identical paperbacks and 9 identical textbooks in a box. t...
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