IDNLearn.com connects you with a community of knowledgeable individuals ready to help. Join our community to receive timely and reliable responses to your questions from knowledgeable professionals.
Answer:
b 3.1 and 3.2
Step-by-step explanation:
3.15 is the average number of 3.1 and 3.2, because
(3.1+3.2)/2=3.15