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# 5.17: Better Buy: Buying More than One Extras

Difficulty Level: At Grade Created by: CK-12

Extra for Experts - Better Buy: Buying More Than One

Which store has the better buy for one mug?

How much less are 2 mugs at that store?

Which store has the better buy for one soup bowl?

How much less are 3 soup bowls at that store?

Which store has the better buy for one water bottle?

How much less are 5 water bottles?

Solutions

Better Buy: Buying More Than One

1. Kitchen Place; $36÷6=$6\begin{align*}\36 \div 6 = \6\end{align*} for one mug at KitchenPlace, and $28÷4$7\begin{align*}\28 \div 4 - \7\end{align*} for one mug at Dane’s Dishes. The difference in price of one mug is $1 so 2 mugs would be$2 less.
2. Dane’s Dishes; $45÷5=$9\begin{align*}\45 \div 5 = \9\end{align*} for one soup bowl at Dan’s Dishes, and $50÷5=$10\begin{align*}\50 \div 5 = \10\end{align*} for one soup bowl at KitchenPlace. The difference in price of one soup bowl is $1, so 2 bowls would be$2 less.
3. Dane’s Dishes; $42÷7=$6\begin{align*}\42 \div 7 = \6\end{align*} for one water bottle at Dane’s Dishes, and $72÷9=$8\begin{align*}\72 \div 9 = \8\end{align*} for one water bottle at KitchenPlace. The difference in price of one water bottle is $2, so 5 water bottles would be$10 less.

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Date Created:
Feb 23, 2012
Last Modified:
May 14, 2015
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CK.MAT.ENG.SE.1.Algebra-Explorations-K-7.5.17