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9.12: Fruit Confusion Extra for Experts

Difficulty Level: At Grade Created by: CK-12
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Extra for Experts: Fruit Confusion – Reason Proportionally

Solutions

  1. \begin{align*}10; \frac{3\ pounds}{\$ 0.90} = \frac{4\ pounds}{x \ dollars}\end{align*}, so \begin{align*}x\end{align*} is \begin{align*}\$1.20\end{align*}, and \begin{align*}\$1.20 \div \$0.12\end{align*} is 10.
  2. \begin{align*}21; \frac{4\ pounds}{\$ 5.04} = \frac{5\ pounds}{x \ dollars}\end{align*}, so \begin{align*}x = \$6.30\end{align*}, and \begin{align*}\$6.30 \div \$0.30 = 21\end{align*}

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CK.MAT.ENG.SE.1.Algebra-Explorations-K-7.9.12
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