01/23/13

extraneous solution

absolute value of X+6=2x-3 what is the extraneous solution? 

A solution of 68% alcohol is to be mixed with a solution of 22% alcohol to form 460 liters of a 61% solution. How many liters of the 68% solution must be used?

would it be A. 413 Liters   B. 380 liters   c. 390 liters  D. 166 liters

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