SOLUTION: how much 20% antifreeze solution must be mixed 2with a 80% solution to ptoduce 20 gallons of a 65% disinfecant solution

SOLUTION: how much 20% antifreeze solution must be mixed 2with a 80% solution to ptoduce 20 gallons of a 65% disinfecant solution

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Question 388279: how much 20% antifreeze solution must be mixed 2with a 80% solution to ptoduce 20 gallons of a 65% disinfecant solution
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of 20% solution, let B be the amount of 80% solution.
1.
.
.

2.
Subtract eq. 1 from eq. 2,

gallons
Then from eq. 1,

gallons
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