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OpenStudy (ny,ny):
A chemist wants to make 40 liters of 22.5% acid solution. She is going to make it by mixing a 10% acid and a 30% acid solution. How many liters of each will she need?
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hero (hero):
x + y = 40 .10x + .30y = .225(40)
OpenStudy (ny,ny):
I got a bad number for the 30% acid when i tried it out.
OpenStudy (ny,ny):
you mean 22.5*
hero (hero):
No, you write the percent as a decimal.
OpenStudy (ny,ny):
oh yeah....
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OpenStudy (ny,ny):
im studying :P
hero (hero):
What did you get for x and y?
OpenStudy (ny,ny):
doing it now...
OpenStudy (ny,ny):
y=25 x=15
hero (hero):
Looks right
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OpenStudy (ny,ny):
10% acid = 15 liters 30% acid = 25 liters :D
OpenStudy (ny,ny):
thank yu :D
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