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OpenStudy (anonymous):
How much 10% solution and how much 45% solution should be mixed together to make 100 gallons of 25% solution? The equation in the back of the book says .10x + .45(100-x) = .25(100) How can I solve this using a TI-84?
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hero (hero):
Total amount Equation x + y = 100 Percent solution Equation: .10x + .45y = .25(100) Solve the system
OpenStudy (anonymous):
or...why is it ".45(100-x)" instead if "y" in your equation?
OpenStudy (anonymous):
How do I solve this graphically?
OpenStudy (anonymous):
yes, I got x and y algebraically
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