Wednesday, July 4, 2012

Surfing For How Many Liters Of A 30 Alcohol Solution?

Steven asks…Word Problem help :)?Can someone help me with this, I am confused...if someone could show me at least the set up for the equations I'd appreciate it.

One Solution contains 30% alcohol and a second solution contains 70% alcohol. How many liters of each solution should be mixed to make 10 liters containing 40% alcohol?

when I worked it out with the problems below, x turned out to be 16.5 and y -6.5 ....that can't be correct?Nancy answers:Let:
x --> number of liters of the first

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