Task: Question Answering
Input (English): Problem: at deluxe paint store , fuchsia paint is made by mixing 5 parts of red paint with 3 parts of blue paint . mauve paint is made by mixing 3 parts of red paint with 5 parts blue paint . how many liters of blue paint must be added to 40 liters of fuchsia to change it to mauve paint ? 
Options: a ) 9 , b ) 12 , c ) 15 , d ) 16 , e ) 26.6
Output (English): e