# 9.12: Fruit Confusion Extra for Experts

Difficulty Level: At Grade Created by: CK-12

Extra for Experts: Fruit Confusion – Reason Proportionally

Solutions

1. 10;3 pounds0.90=4 poundsx dollars\begin{align*}10; \frac{3\ pounds}{\ 0.90} = \frac{4\ pounds}{x \ dollars}\end{align*}, so x\begin{align*}x\end{align*} is1.20\begin{align*}\1.20\end{align*}, and $1.20÷$0.12\begin{align*}\1.20 \div \0.12\end{align*} is 10.
2. 21;4 pounds5.04=5 poundsx dollars\begin{align*}21; \frac{4\ pounds}{\ 5.04} = \frac{5\ pounds}{x \ dollars}\end{align*}, so x=6.30\begin{align*}x = \6.30\end{align*}, and $6.30÷$0.30=21\begin{align*}\6.30 \div \0.30 = 21\end{align*}

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Feb 23, 2012
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CK.MAT.ENG.SE.1.Algebra-Explorations-K-7.9.12