Answer:
16 days
Step-by-step explanation:
First find the difference between these two dates by subtraction.
month / day / year
06 / 03 / 2016
(-) 05 / 18 / 2016
--------------------------
1 / -15 / 0
Time between:
= 1 month - 15 days
= 31 days - 15 days
= 16 days