Answer:
The 6.5 ounce can of tuna costs [tex]0.21\frac{\$}{ounce}[/tex]
The 3 ounce can of tuna costs [tex]0.22\frac{\$}{ounce}[/tex]
Step-by-step explanation:
case A) A 6.5 ounce can of tuna for $1.39
Find the unit rate
[tex]\frac{1.39}{6.5}\frac{\$}{ounces}= 0.21\frac{\$}{ounce}[/tex]
case B) A 3 ounce can of tuna for $0.65
Find the unit rate
[tex]\frac{0.65}{3}\frac{\$}{ounces}= 0.22\frac{\$}{ounce}[/tex]
therefore
A 6.5 ounce can of tuna for $1.39 is better price than a 3 ounce can of tuna for $0.65