Isabelle is mixing red paint with blue paint to make purple paint. She adds 3/10 of a fluid ounce of red to 11/15 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple. How many fluid Ounces of red paint will she need to make 3 fluid Ounces of purple paint? A 2/5
B. 11/20
C. 27/31
D. 1 13/50