Relax Salon is giving a free foot spa for every third

costumer, and every fifth costumer receives a free mani-

cure. Which costumer will be the first one to get the both free service3. Relax Salon is giving a free foot spa for every third

costumer, and every fifth costumer receives a free mani-

cure. Which costumer will be the first one to get the both

free services?

Answer:

The 15th customer will be the first person to get both free services.

Step-by-step explanation:

Find the LCM of 3 and 5