Question

Ronald and Tim both did their laundry today. Ronald does laundry every 6 days and Tim does laundry every 9 days.
How many days will it be until Ronald and Tim both do laundry on the same day again?

Answer 1

Answer:They will meet every three days.

Step-by-step explanation:

It's simple math. All we have to do is find the HCF (Highest Common Factor), of 6 and 9. That if 3, thus they meet every three days.

Answer 2

Answer:

18 days

Step-by-step explanation:

Ronald does laundry every- 6 days

Tim does laundry every- 9 days

Prime factorization:-

6= 3×2

9= 3×3

 = 3²

LCM= 3²×2

       = 18 days