Given :
Finley makes one batch of orange paint using 5 L of yellow paint.
To Find :
How many batches of orange paint she can make using 15 L of yellow paint.
Solution :
We need to find how many batches of orange paint she can make using 15 L of yellow paint.
Now , 1 batch requires 5 L of yellow paint .
So , 15 L of paint will make 3 batches .
Let , number of batches be N .
Therefore, number of batches produced is 3 .
Hence, this is the required solution .