Question

3
A specific shade of paint requires 3 part red to 5 parts blue. How
much blue paint must be added to 2 cups of red paint to create the
desired shade?
a. 1 1/5c
b. 3 1/3c
C. 40
d. 5c

Answer 1

B - 2 = 3 parts so 0.6666~ = 1 part, multiplied by 5 to get the blue