Answer:
300 mL
Step-by-step explanation:
If one part is 100 mL, then 3 parts will be 300 mL.
300 mL of water should be added.
You can find this in socratic
Your answer is A. 10 2/3.
W = p(y - z)
Divide each side by p
w/p = y - z
Subtract y
w/p - y = -z
Negate each side
(-w/p) + y = z