Asked by Monica

An 80% acid solution is to be mixed with a 30% solution to get 90 gallons of a 50% solution. How many gallons of each solution are needed?
Answered by Kuai

0.8x + 0.3(90-x) = .5(90)

.8x + 27 -.3x = 45
.5x +27 = 45
.5x + 27 - 27 = 45-27

.5x = 18
x = 36

36 at 80%
54 at 30%
Answered by Monica
Kuai, you are awesome!!! Thank you very much! I really appreciate it!
There are no AI answers yet. The ability to request AI answers is coming soon!