How many liters of pure water must be added to how many liters of a 25% bleach solution to make 12 liters of a 15% bleach solution? has to be in complete sentences

4.8 liters

Step-by-step explanation:

Let x liter of water is added with y liter of 25% beach solution.

Thus, According to the question,

x + y = 12  -------(1)

0% of x + 25 % of y = 15 % of 12

25 % of y = 15% of 12

Put this value in equation (1),

We get,

Therefore, the quantity of water =  

And, the quantity of 25% bleach solution =

B: 8%

Step-by-step explanation:

It asks for percentage of total students, so we add the male and female student totals for a total of 150 students. We also add the numbers of those that are left handed for a total of 12. We divide 12 by 150 (12/150) to get the decimal, 0.08, which is 8%.