Question: 11. How do I solve this? 11. A chemist has one solution that is 20% salt and a second that is 50% salt. How many

11. How do I solve this?

11. A chemist has one solution that is 20% salt and a second that is 50% salt. How many litres of each solution should be mixed together to get 24 litres of a solution that is 40% salt

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