A researcher needs 25 mL or 45%
base Solution for a certain
expiriment, but she has only 15%<...
![subject](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01 sierraseideman1023
A researcher needs 25 mL or 45%
base Solution for a certain
expiriment, but she has only 15%
Solution and 65% Solution. How
many mL of the 15% and the
65% Solutions should she mix to
get what She needs?
![ansver](/tpl/images/cats/User.png)
Answers: 1
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