Answer:
Your answer would be B.
Step-by-step explanation:
You have 1 one hundred and 5 tens which would make 1.50. Next you are adding 6 tens which would be 0.60.
Put these together, and your answer would be 1.50 + 0.60 = 2.10!
Note:
I hope this helps and please correct me if I am wrong. :)