by J. Doe
(N. Carolina)
On Free practice test #4, Question #8  I need help with this question:
Two solutions are combined in a 3:1 ratio to make a custom compounded solution. How many of each is required to make 200mL of this mixture?
A. 125mL : 75mL
B. 210mL : 90mL
C. 120mL : 80mL
D. 150mL : 50mL
Comments for Ratio and proportion math










Click here to add your comments Join in and ASK your Questions! It's easy to do. How? Simply click here to return to Math questions. 
Where would you like to go now?