A mixture contains forty ounces of glycol and water, and it is ten percent glycol. The mixture is to be strengthened to twenty-five percent by adding glycol. How much glycol is in the original mixture?

4 oz
10 oz
40 oz

Respuesta :

i saw the answer for 10oz on here i tried that and it was marked wrong the correct answer is 4oz

Answer:

4oz

Step-by-step explanation: