If I mix 3 drops of red dye with 2 drops of blue dye to make purple, what percent of the purple is blue?

Question

What percent of the purple is blue?

 

Answer 1

The blue is 2 parts of (3 + 2), which is 2 parts of 5.

 

The percentage of blue is

 

100 [2 / (3 + 2)] = 40%

 

Similarly, the percentage of red is

 

100 [3 / (3 + 2)] = 60%