Answers: 1
SAT, 26.06.2019 01:30
How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?
Answers: 1
SAT, 28.06.2019 04:30
Aconstruction crew was made up of 88 men and the rest women. if 40% of the crew were men, how many people were in the crew?
Answers: 1
SAT, 30.06.2019 10:00
Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. he plans to mix together some of each solution to create 30 milliliters of a solution that is 40% acid by volume. how many milliliters of the 20% acid solution should raul use to create the 40% acid solution? can someone explain this to me? i know that the answer is 10 milliliters, but i don't know how to get it.
Answers: 2
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