Question

a local grocery store is promoting a sale on four brands of cerealbrand w- $3.98 : 20 ozbrand x- $2.52: 14 ozbrand y- $4.80: 32 ozbrand z- $3.92: 28 ozwhich of the following is the best buy?a. brand w because the cost per oz is $0.199b. brand x becuse it is the least expensive c. brand y because itsthe largest boxd. brand z because the unit cost is the least

Answer 1

The following are the price for brands of cereal;

The best buy would be the brand with the least unit cost. Thus, the unit cost for each brand is;

`\begin{gathered} w\Rightarrow(3.98)/(20) \\ \\ w\Rightarrow\text{ \$}0.20\text{ per unit} \\ \\ x\Rightarrow(2.52)/(14) \\ \\ x\Rightarrow\text{ \$}0.18\text{ per unit} \\ \\ y\Rightarrow(4.80)/(32) \\ \\ y\Rightarrow\text{ \$}0.15\text{ per unit} \\ \\ z\Rightarrow(3.92)/(28) \\ \\ z\Rightarrow\text{ \$}0.14 \end{gathered}`

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