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How many liters of a 10% antifreeze solution and a 40% antifreeze solution must be mixed to make 15 liters of a 25% solution? Round to two decimal places, as needed

 Mar 15, 2020
 #1
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15 liters total

 

x = 10% amount     15-x = 40% amount

 

.10 x      +  .40 (15-x)   =  .25 (15)   

 Mar 15, 2020

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