A technician has prepared three solutions from a 600 mL stock solution.

Question

• In preparing the first solution ½ of the original volume of the stock solution was used.
• The second solution required ¼ of the remaining stock solution.
• Preparation of the third solution used 3/5 of the remaining stock solution.

What fraction of stock solution remains?

Is 3/20 correct?

Answer 1

I just answered the previous post,
you are correct

Answer 2

thank you