A pharmacist mixed some 10%-saline solution with some 15%-saline solu – McqOptions

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1.	A pharmacist mixed some 10%-saline solution with some 15%-saline solution to obtain 100 mL of a 12%-saline solution. How much of the 10%-saline solution did the pharmacist use in the mixture?
A.	45 mL
B.	40 mL
C.	25 mL
D.	60 mL
Answer» E.

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