SOLUTION: How many gallons of 5% acid solution should be mixed with 20 gallons of a 10% acid solution to obtain an 8% acid solution?
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Question 885584: How many gallons of 5% acid solution should be mixed with 20 gallons of a 10% acid solution to obtain an 8% acid solution?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How many gallons of 5% acid solution should be mixed with 20 gallons of a 10% acid solution to obtain an 8% acid solution?
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let x=amt of 5% solution to mix
5%x+10%20=8%(20+x)
.05x+2=1.6+.08x
.03x=0.40
x=4/3
amt of 5% solution to mix=4/3 gallons
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