Question

Sandy takes a day off once every 4 days, and Morgan takes a day off once every 10 days. Today, both of them have taken the day off. How many days will it be until they have their next day off together?

Answer 1

Find the Prime Factors:

4 = 2²

10 = 2 x 5

Find the LCM:

LCM = 2² x 5 = 20

Answer: They will have the next day off together 20 days later.

Answer 2

4=2^2

10=2×5

LCM=2^2×5=20

Answer is 20 days....