Answer:
Roderick has created the correct orange color.
Step-by-step explanation:
The orange color required mixing 5 parts of red paint with 7 parts of yellow paint. The ratio is given below:
Roderick mixed 15 parts of red paint with 21 parts of yellow paint. This is expressed in ratio as:
Since the two ratios reduces to the same value, they are equivalent, thus Roderick has created the correct orange color.