Mathematics, 08.09.2019 00:10 hunterallan569
Asolution containing 12% alcohol is to be mixed with a solution containing 4% alcohol to make 20 gallons of solution containing 9% alcohol. a. identify the unknowns to be evaluated in the above given problem. b. develop the system of simultaneous equations which represent the above problem. c. find the solution of the system of simultaneous equation you have developed in part (b), using a matrix method
Answers: 1
![\left[\begin{array}{ccc}1&1\\12&4\end{array}\right]](/tpl/images/0225/3189/2007c.png)
![\frac{1}{4-12} \left[\begin{array}{ccc}4&-1\\-12&12\end{array}\right]\\=\frac{-1}{8} \left[\begin{array}{ccc}4&-1\\-12&12\end{array}\right]\\](/tpl/images/0225/3189/d997b.png)
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Asolution containing 12% alcohol is to be mixed with a solution containing 4% alcohol to make 20 gal...
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