Answer:
Step-by-step explanation:
144
Answer: 2
Step-by-step explanation: five times 2 is 10 plus 10 would equal 20
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
2 is the answer
Step-by-step