Answer:
4 altogether
0,1 + 1, 1 = 1 RA
0,1 + 2,1 = 1 RA
0.2 +1, 2 = 1 RA
0,2 +2,2 = 1 RA
Step-by-step explanation:
q=-2/3
The answers are given in the attachment
The detailed step by step calculations are shown in the attachment.