Solve.A chemist needs 110 milliliters of a 50% solution but has only 30% and 85% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 40 mL of 30%; 70 mL of 85%
B. 80 mL of 30%; 30 mL of 85%
C. 30 mL of 30%; 80 mL of 85%
D. 70 mL of 30%; 40 mL of 85%
Answer: D
Mathematics
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