The volume of the 12% salt solution to be added is; 2.5 gallons.
<h3>Ratio and Proportion of Volume</h3>
Let the volume of 12% required be x and the new volume of the mixture be (x+5).
On this note, it follows that;
Hence, -2x = -5
Divide both side by -2;
x = 2.5 gallons.
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brainly.com/question/13513438
Known by the alias Lenin, <span>a Russian </span>communist<span> revolutionary, politician, and </span>political theorist<span>. </span>
Answer:
19
Step-by-step explanation:
40-21+19
