which number is a multiple of 3? 16, 20, 24, 28

24

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The answer is 24.

To determine which number is a multiple of 3 among options 16, 20, 24, and 28, we need to check if each number can be evenly divided by 3 without leaving a remainder. Here's how you can do it:

Start with the first number, 16. Divide 16 by 3. If the result is a whole number (without any decimals) and there is no remainder, then 16 is a multiple of 3. In this case, 16 divided by 3 gives 5.33, which means there is a remainder of 1. Therefore, 16 is not a multiple of 3.

Next, check the number 20. Divide 20 by 3. Once again, if there is no remainder, then 20 is a multiple of 3. However, 20 divided by 3 equals 6.67, with a remainder of 2. Hence, 20 is not a multiple of 3.

Moving on to the number 24. Divide 24 by 3. If the result is a whole number and there is no remainder, then 24 is a multiple of 3. When we calculate 24 divided by 3, we get 8, which is a whole number. Therefore, 24 is a multiple of 3.

Lastly, consider the number 28. Again, divide 28 by 3. If the division yields a whole number with no remainder, then 28 is a multiple of 3. Dividing 28 by 3 gives us 9.33, which means there is a remainder of 1. Therefore, 28 is not a multiple of 3.

In summary, among the numbers 16, 20, 24, and 28, only the number 24 is a multiple of 3.