Solve the problem.A chemist needs 190 milliliters of a 66% solution but has only 42% and 99% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

Question

A. 110 mL of 42%; 80 mL of 99%
B. 70 mL of 42%; 120 mL of 99%
C. 80 mL of 42%; 110 mL of 99%
D. 120 mL of 42%; 70 mL of 99%

Answer 1

Answer: A