Mathematics, 05.05.2020 12:22 ghkfkhgm859
Two solutions of different concentrations of acid are mixed creating 40 mL of a solution that is 32% acid. One-quarter of the
solution is made up of a 20% acid solution. The remaining three-quarters is made up of a solution of unknown
concentration, c.
Which equation can be used to determine c, the unknown concentration?
6 30c + 10(0.2) = 40(0.32)
02()+ . (0.2) = 40(0.32)
O
(C)
(0.2)) = 40(0.32)
O 30(c)(10(0.2)) = 40(0.32)
Answers: 1
Mathematics, 21.06.2019 17:00, casting479
Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?
Answers: 1
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