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Ronald and Tim do their laundry today. Ronald does laundry every 6 days and Tim does his laundry every 9 days. how many days will it be until Ronald and Tim do laundry on the same day
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2 votes
Ronald and Tim do their laundry today. Ronald does laundry every 6 days and Tim does his laundry every 9 days.

how many days will it be until Ronald and Tim do laundry on the same day

User PeterClemmensen
by
5.8k points

2 Answers

6 votes
i think the answer is 3 he will 3 days left before he can wash.
User Raghav Rach
by
6.3k points
5 votes
what you bed to do is find the least common multiple of each number:

6, 12, 18, 24, 30, 36

9, 18, 27, 36

the least common multiple is 18 so every 18 days they will do laundry together



User Neppomuk
by
5.7k points
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