Answer:
On
day lily will first water her flower and trees together.
Step-by-step explanation:
Lilly waters her flowers every 4th day and her trees every 11th day
So the first day when she will water flower and trees together is the LCM of 4 and 11.
LCM is the Least Common Multiple of the given numbers.
So here the LCM of 4 and 11 is
So the first day will be on
day (after 1 month 14 days).