Answer:
Here is the complete question (in attachment).
The least price is for Water Spring brand and the greatest price is of Clear Mountain brand.
Explanation:
To find the unit price we have to divide the full price with the whole of the quantity.
From least to greatest unit prices are arranged below.
- Water Springs
![=(19.99)/(48)=0.416\$](https://img.qammunity.org/2020/formulas/mathematics/middle-school/v0jfop3q1oiq2eiteu7f2s5x11zpnhi0os.png)
- Nature's River
![=(20.35)/(48)=0.423\$](https://img.qammunity.org/2020/formulas/mathematics/middle-school/2lu4exju31bmlsxz83xx8lhxth60b3nptq.png)
- Forest Air
![=(10.49)/(24)=0.437\$](https://img.qammunity.org/2020/formulas/mathematics/middle-school/xqpyc03qz79e05e74l34ybj424vmvsympk.png)
- Iceland Springs
![=(5.49)/(12)=0.457\$](https://img.qammunity.org/2020/formulas/mathematics/middle-school/l15n6giu82yv9v504sdb20g3kc2sy067ua.png)
- Clear Mountain
![=(11.99)/(24)=0.499\$](https://img.qammunity.org/2020/formulas/mathematics/middle-school/l8vg9i2kalskz5x7rj3dehi2dctyordxme.png)
In ascending order the number are.
![0.416 < 0.423< 0.437< 0.457< 0.499](https://img.qammunity.org/2020/formulas/mathematics/middle-school/tr0axc1mhyzxcoazfmnph7qxzay7c738f9.png)
So the least price is for Water Spring brand,and the greatest price is for Clear Mountain brand.