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Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services
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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.
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SAT, 01.07.2019 01:00
Why is prayer important to christians and why is church important?
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A candy store makes a 9 pound mixture of gummy candy...
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