Mathematics, 19.07.2019 03:20, bibi43232

What quantity of a 30% solution do you need to make 150 ml of a 20% solution?
a. 100 ml
b. 50 ml
c. 150 ml
d. 200 ml

Answers: 3

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What quantity of a 30% solution do you need to make 150 ml of a 20% solution?
a. 100 ml
...