Solve using matrices.A chemist has prepared two acid solutions, one which is 4% acid by volume and the other which is 11% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of 
-acid solution?
A. 4%-solution: 3.4 cm3; 11%-solution: 46.6 cm3
B. 4%-solution: 20 cm3; 11%-solution: 20 cm3
C. 4%-solution: 30 cm3; 11%-solution: 20 cm3
D. 4%-solution: 20 cm3; 11%-solution: 30 cm3
Answer: C
Mathematics
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