How many liters of 10% silver iodide mixed with 9 liter of a 4%silver iodide solution to get 6% solution

The correct answer is "4.5 liters". A further explanation is provided below.

Step-by-step explanation:

Let the solution needed be "x".

then, according to the question,

⇒

By solving the above expression, we get

⇒

⇒                

⇒                

⇒                      

⇒                        

the correct answer is 1: 2

step-by-step explanation:

hope this your welcome : )

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation: