Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 4% acid by volume, another 11% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of a solution that is  acid.

A. 31 cm3 of 4%; 19 cm3 of 11%
B. 3.33 cm3 of 4%; 46.67 cm3 of 11%
C. No solution
D. 20 cm3 of 4%; 20 cm3 of 11%


Answer: A

Mathematics

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