AnswersAISD Algebraic Reasoning B Credit Recovery 2026-2027Modeling with Systems of Linear EquationsQuestion 5
5
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Modeling with Systems of Linear Equations

Question 5 • AISD Algebraic Reasoning B Credit Recovery 2026-2027

The hardcover version of a book weighs twice as much as its paperback version. The hardcover book and the paperback together weigh 4.2 pounds. Which system of equations can be used to find h, the weight of the hardcover book, and p, the weight of the paperback?

Answer
A
h = p − 4.2 h = 2p
B
h = 4.2 − p p = 2h
C
h = p − 4.2 p = 2h
D
h = 4.2 − p h = 2p
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