Which equation best matches the model?
A9 + 10 = 15
B3/8 x 10/5 = 30/40
C3/5 x 5/8 = 15/40
DNone of the above
A9 + 10 = 15
B3/8 x 10/5 = 30/40
C3/5 x 5/8 = 15/40
DNone of the above