Sixty Liters of a 43% Acid Solution Is Obtained by Mixing

question 32

Multiple Choice

Sixty liters of a 43% acid solution is obtained by mixing a 28% solution with a 42% solution.Use a graphing utility to graph the two given equations.Let x and y represent the amounts of the 28 % solution and 42% solution.As the amount of the 28% solution increases,how does the amount of the 42% solution change? $$\left\{ \begin{array} { l } x + y = 60 \\0.28 x + 0.42 y = 25.8\end{array} \right.$$ ​ ​
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• A)​ ​ Increases
• B)​ ​ Decreases
• C)​ ​ Decreases
• D)​ ​ Decreases
• E)​ Increases

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Definitions:

Animal Species

Groups of animals that share common characteristics and can breed amongst themselves, producing fertile offspring.

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The entirety of ecosystems, encompassing diverse environments from tropical forests to desert habitats, each with their unique interactions among living organisms and their surroundings.

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A situation that requires individuals or organizations to choose between actions that must be evaluated as right or wrong, often involving a moral dilemma.

Animal Species

Distinct groups of animals that share common characteristics and can interbreed to produce fertile offspring, each adapted to specific environments and ways of life.