Question

Craig is traning for a race. He bikes every 2 days and swims every 3 days. If he biked and swam today, how many days will pass before he bikes and swims on the same day again, the least common multiple of the numbers of days?

Factors and multiples
ANSWERED
asked 2021-08-09
Craig is traning for a race. He bikes every 2 days and swims every 3 days. If he biked and swam today, how many days will pass before he bikes and swims on the same day again, the least common multiple of the numbers of days?
Multiples of 2: 2,4,6,8,10,12, ...
Multiples of 3: 3,6,9,12,15,18, ...

Answers (1)

2021-08-10
Step 1
Given,
Craig is training for a race.
He bikes every 2 days and swims every 3 days .
If he biked and swam today,
We have to find how many days will pass before he bikes and swims on the same day again.
Step 2
Number of days will pass before he bikes and swims on the same day again
= Least common multiple of 2 and 3
\(\displaystyle={2}\times{3}\)
Answer: \(\displaystyle={6}\) days
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