Answer
Ans: 8 ounces for 4.98 dollars is the best buy.
Work Step by Step
1. 8 ounces for 4.98 Dollars
First we try to put the detail in ratio as $\frac{8 ounces}{4.98 Dollars}$
$\approx \frac{1.61 ounces}{1 Dollars}$
2. 3 ounces for 2.49 Dollars
First we try to put the detail in ratio as $\frac{3 ounces}{2.49 Dollars}$
$\approx \frac{1.20 ounces}{1 Dollars}$
3. 2 ounces for 1.89 Dollars
First we try to put the detail in ratio as $\frac{2 ounces}{1.89 Dollars}$
$\approx \frac{1.06ounces}{1 Dollars}$
So compairing All three options option 1. 8 ounces for 4.98 dollars is the best buy.