To compare the ratios, we can simplify both Aria's and Cody's mixtures.
Aria's ratio is:
- Blue : Red = 7 tbsp : 2 tbsp
To simplify, we can represent this as:
- \( \frac{7}{2} \)
Cody's ratio is:
- Blue : Red = 21 tbsp : 6 tbsp
To simplify, we can also represent this as:
- \( \frac{21}{6} \)
Now simplify \( \frac{21}{6} \):
- Divide both the numerator and the denominator by their greatest common divisor (GCD), which is 3:
- \( \frac{21 \div 3}{6 \div 3} = \frac{7}{2} \)
Now we can see that both ratios simplify to \( \frac{7}{2} \).
Since both ratios are equivalent, the answer is: Yes, they are equivalent.