Answer :
Answer:A.
Step-by-step explanation:
add the numbers together
23.8 + 12.1 + -17.6+ 31.3 = 49.6
then divide by number of numbers(4)
49.6/4=12.4
Answer:A.
Step-by-step explanation:
add the numbers together
23.8 + 12.1 + -17.6+ 31.3 = 49.6
then divide by number of numbers(4)
49.6/4=12.4