Respuesta :

kyominchloe

Answer:

18th customer

Step-by-step explanation:

Every 6th customer receives a rose

Every 9th customer receives a lily

6 & 9 LCM

6=3*2

9=3*3

3*3*2=18

KCestrella

Answer:

18th customer

Step-by-step explanation:

6: 6, 12, 18            

9: 9, 18

LCM: 18