How many multiple of 3 between 1-22 are even?
A-7
B-5
C-3
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3, 6, 9, 12, 15, 18, 21
c 3
To find the number of multiples of 3 between 1 and 22 that are even, we can follow these steps:
1. Determine the multiples of 3 between 1 and 22: To find the multiples of 3, we start with 3 and keep adding 3 until we reach a number greater than 22. The multiples of 3 between 1 and 22 are: 3, 6, 9, 12, 15, 18, and 21.
2. Check if each multiple is even or odd: To determine if a number is even, we check if it is divisible by 2. If a number is divisible by 2, it is even. Let's check each multiple of 3: 3, 6, 9, 12, 15, 18, and 21.
- 3 is not divisible by 2, so it is odd.
- 6 is divisible by 2, so it is even.
- 9 is not divisible by 2, so it is odd.
- 12 is divisible by 2, so it is even.
- 15 is not divisible by 2, so it is odd.
- 18 is divisible by 2, so it is even.
- 21 is not divisible by 2, so it is odd.
3. Count the even multiples: Out of the 7 multiples of 3, we have identified 4 of them as even (6, 12, 18). Therefore, the correct option is A - 7 (since 4 is not one of the answer choices provided).
In summary, the number of multiples of 3 between 1 and 22 that are even is 4.