Solve the Problem by Writing and Using a System of Linear

Multiple Choice

Solve the problem by writing and using a system of linear equations.
-Find the amount of a 11% saline solution a lab assistant should add to 60 cc (cubic centimeters) of a 21% in order to have 14% solution.

A) 40 cc
B) 10 cc
C) 190 cc
D) 140 cc