Answer:
If there are not 31 days this month, then it is not January.
Step-by-step explanation:
Contrapositive of the conditional statement means switching the hypothesis and conclusion of a conditional statement and negating both.
Given statement is :
If it is January, then there are 31 days this month.
Its contrapositive will be :
If there are not 31 days this month, then it is not January.