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A scientist needs to make 5.4 liters of saline solution (salt water), in which the salt level must be at 28% concentration (meaning 28%
A scientist needs to make 5.4 liters of saline solution (salt water), in which the salt level must be at 28% concentration (meaning 28% of the water is salt). Unfortunately, the scientist only has two types of saline solution in his possession. He has saline solution with a 12% concentration level and saline solution with a 30% concentration level. How much of each type of saline solution should the scientist mix together to achieve 5.4 liters of saline solution at a concentration level of 28%? Let a represent the amount 12% saline solution and let y represent the amount of 30% saline solution. 9 1 point Determine which two equations ca *Before moving to the next question, ma equations you've chosen. .12x+.30y=1.512 .12x+.30y= 5.4 x+y= 1.512 .12x+.30y= .28 x+y= 5.4 x+y= .28
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