To determine if their ratios are equivalent, we need to compare the ratio of blue to red in both mixtures.
Aria's ratio of blue to red is 7:2.
Cody's ratio of blue to red is 21:6.
We can simplify both ratios to their simplest terms:
Aria's ratio of blue to red simplifies to 7:2.
Cody's ratio of blue to red simplifies to 7:2 as well.
Since both ratios simplify to the same ratio of 7:2, their ratios of purple mixture are equivalent to one another's.
Cody and Aria are painting a mural. They decide they want part of the mural to have a purple background. Aria uses 7 tbsp. of blue to 2 tbsp. of red to make her purple paint. Cody is planning to use more and uses 21 tbsp. of blue to 6 tbsp. of red. Are their ratios of purple mixture equivalent to one another's?(1 point)
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