Problema Solution

Joe a lifeguard works 3 days and Then has A Day off. Joes friend Raya works five days than has a day off. How many days after Joes and Raya have a day off together will they have another day off together

Answer provided by our tutors

Joe's work cycle is 3+1=4 days

Raya's work cycle is 5+1=6 days


4 prime factors to 2*2

6 prime factors to 2*3


2*2*3 = 12


it will be 12 days before they have the same day off again