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Bottle X contains 10% acid and bottle Y contains 20% acid. In what ratio, of the quantity of bottle X to the quantity of bottle Y, do I need to mix the liquid from the two bottles if I want to create a mixture that is 16% acid?

 Sep 29, 2021
 #1
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Pick an amount to finish with...say 100cc

 

x = x amount      100-x = y amount

 

.1x   +   .2(100-x) = .16 (100)

.1x + 20 - .2x  = 16

.1x  = -4

x = 40      then   y = 60        x:y is then  40:60  =  2:3

 Sep 29, 2021

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