Mathematics, 11.11.2020 01:00 SpiritedAway7087
A scientist needs 10 liters of a 20% acid solution for an experiment, but she has only solutions of 5% and 40% concentrations. To the nearest tenth of a liter, how many liters of each solution should she mix to get the solution she needs? Choose the equation to match the situation.
A. (0.20)(10) = 0.05x + 0.40x
B. (0.20)(10) = 0.05x + 0.40 (10 – x)
C. (0.20)(10) = 0.05(10) + 0.40(10 – x)
D. (0.20)(10) = 0.05(10 – x) + 0.40(10 – x)
Answers: 1
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A scientist needs 10 liters of a 20% acid solution for an experiment, but she has only solutions of...
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