how many cubic centimeters of a 20% solution of a nutrient must be added to 100cc of a 2% solution of the same nutrient to make a 10% solution of the nutrient?
Thank you very much for you help. i solved it for 'x' but didn't get the same answer as in my book which is 80cc. please help.
How many cubic centimeters of a 20% solution of a nutrient
must be added to 100cc of a 2% solution of the same nutrient
to make a 10% solution of the nutrient?