SOLUTION: If you are supposed to use a disinfectant solution in a 1:40 ratio of concentrate-to-water, how much concentrate should you add t 5 liters of water?

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Question 806971: If you are supposed to use a disinfectant solution in a 1:40 ratio of concentrate-to-water, how much concentrate should you add t 5 liters of water?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
40x=5
x=5/40
x=1/8
use 1/8 liter of disinfectant