I think the correct answer would be : p = -n+4m/L
I hope this helps !
-9.5 and 0.5
There isnt really a method of finding this, trial and error
47 1/2 oil
9 1/2 vinegar
Add the 5and 1 from the 5:1 ration to get 6. Divide 57 by 6 to get 9.5
Multiply 5 and 1 by 9.5 to get 47.5 and 9.5 as the answer