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How many positive integers less than 20 are multiples of 3 but not 2? Show your work please:)

How many positive integers less than 20 are multiples of 3 but not 2? Show your work please:)
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4 votes
How many positive integers less than 20 are multiples of 3 but not 2?

Show your work please:)

User Iman Kermani
by
8.6k points

1 Answer

1 vote
so all the multiples of 3 are...
3, 6, 9, 12, 15, 18
and of those, the ones not divisible by 2 are...
3, 9, 15
User Pkumarn
by
7.6k points
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