Answer:
15.5 because you have to take away some point
Step-by-step explanation:
you can do 15.8 +5.3 and that would make 21 - 15 and makes 6 so you can round 15.8 to 16 and then you subtract to make 10 then you add 5
Answer:
4
Step-by-step explanation:



Answer:
Step-by-step explanation:
answers for 5 and 6
5) C
6) B
Step-by-step explanation:
hope this helped
Answer: 7
Step-by-step explanation: