Problema Solution
How many milliliters of a 2.5% bleach solution must be mixed with a 10% bleach solution to produce 600mL of a 5% bleach solution?
Answer provided by our tutors
let
x = ml of the 2.5% bleach solution
y = ml of the 10% bleach solution
we need to produce 600 ml of 5%
x + y = 600
0.025x + 0.10y = 0.05*600
by solving the above system of equations we find
x = 400 ml
y = 200 ml
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400 ml of 2.5% bleach solution must be mixed with 200 ml of 10% bleach solution.