Answer:
90 and 30 liters
Step-by-step explanation:
1) if solution of 20% is 'x' and of 60% is 'y' liters, then
2) the pure chlorine is: for solution of 20% - 0.2x, for solution of 60% - 0.6y and
3) the mix of the two solutions is 120=x+y.
4) using these items it is possible to make up the system of two equations:

5) finally, x=90 liters of 20%; y=30 liters of 60% solution.
Answer:
Step-by-step explanation:
Can you give me more information on the question, so i can make sure that i give you the correct answer . I think its A but not totally for sure
i read in class 4 but I don't explain the answer
Answer:
I uploaded the answer to a file hosting. Here's link:
Step-by-step explanation:
Answer:
7495535966 ÷ 24= 312313998.583