Question

A scientist is working on an experiment for which she needs 20 liters of a 3.5% salt solution, the same salinity as ocean water. All she has in her lab are a 10% salt solution and a 1% salt solution. She decides to mix these to make her own 3.5% solution. How much of the 1% solution will she need to use?

Answer 1

@escamer

Answer 2

@YoungStudier Emily, may you help him/her?

Answer 3

14.44 was answer for future googlers