Let's say, the number is "a"
thus

cross-multiply and solve for "a"
The answer would be 6.4% because you have to do 16% of 40 and it will give you 6.4 and as a percent it is 640%
To find a missing side of a right triangle use the Pythagorean theorem
A2+b2=c2
C is the hypotenuse (long side)
Plug into the equation
11^2+b2=12^2
121+b2=144
So subtract 144-121 to get the missing side you get 23
Take the square root
It will be 4.7
If they want it rounded
X=5
If I had any mistakes in my answer I am sorry but everything should be correct
I f you divide 350 by 2 you get 175. Then take 175 and multiply it by 6 you get 1,050 liters.