Ratios, Proportions, and Percents
Computing Unit Prices to Find the Better Buy
Brian paid [tex]$\$[/tex]19.99[tex]$ for a $[/tex]7.98 \, \text{kg}[tex]$ bag of dog food. A few weeks later, he paid $[/tex]\[tex]$20.38$[/tex] for an [tex]$8.39 \, \text{kg}$[/tex] bag at a different store.
Find the unit price for each bag. Then state which bag is the better buy based on the unit price.
Round your answers to the nearest cent.
- Unit price for the [tex]$7.98 \, \text{kg}$[/tex] bag: [tex]$\$[/tex] \square \square[tex]$ per $[/tex]kg$
- Unit price for the [tex]$8.39 \, \text{kg}$[/tex] bag: [tex]$\$[/tex] \square \square[tex]$ per $[/tex]kg$
Which bag is the better buy?
A. The [tex]$7.98 \, \text{kg}$[/tex] bag
B. The [tex]$8.39 \, \text{kg}$[/tex] bag
C. Neither (They have the same unit price)