mal33 mal33
  • 14-02-2017
  • Mathematics
contestada

One solution contains 40% alcohol and another solution contains 70% alcohol. How many liter of each solution should be mixed to make 10.5 liters of a 60% alcohol solution?

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Cladams1t
Cladams1t Cladams1t
  • 14-02-2017
.4(x)+ .7(10.5-x)=(.6)(10.5)
-.3x=-1.05
X=3.5 Liters
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