Multiple Choice
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.
A) 80 mL of 42%; 110 mL of 99%
B) 110 mL of 42%; 80 mL of 99%
C) 70 mL of 42%; 120 mL of 99%
D) 120 mL of 42%; 70 mL of 99%
Correct Answer:

Verified
Correct Answer:
Verified
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