x = 10% solution
y = 35% solution
.1x+.35y=.20*12
x+y=12
y=12-x
.1x+.35(12-x)=.20*12
.1x+4.2-.35x=2.4
-.25x=-1.8
.25x=1.8
x=7.2 gallons
y=4.8 gallons
10
210Type your answer here...
25 gallons
1.5 pints
120liters
A pharmacist mixed a 20 percent solution with a 30 percent solution to obtain 100 liters of a 24 percent solution. How much of the 20 percent solution did the pharmacist use in the mixture (in liters).
mary mixed 2l of an 80% acid solution with 6l of a 20% acid solution. what was the percent of acid in the resulting mixture
10
210Type your answer here...
133.33
25 gallons
1.5 pints
120liters
4 ounces
Mixing 80 liters of 15% solution and 520 liters of 90% solution will give 600 liters of 80% solution.
120
80 liters