Mathematics, 19.02.2021 02:30 Damani14

A chemist needs 40 liters of a solution that is 20% acid for a certain experiment, but she has only a solution that is 15% acid and a solution that is 40% acid. How many liters of the 15% and
the 40% solutions should she mix to get what she needs?

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A chemist needs 40 liters of a solution that is 20% acid for a certain experiment, but she has only...

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A chemist needs 40 liters of a solution that is 20% acid for a certain experiment, but she has only a solution that is 15% acid and a solution that is 40% acid. How many liters of the 15% and the 40% solutions should she mix to get what she needs?

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Another question on Mathematics

A chemist needs 40 liters of a solution that is 20% acid for a certain experiment, but she has only a solution that is 15% acid and a solution that is 40% acid. How many liters of the 15% and
the 40% solutions should she mix to get what she needs?