A few days ago
Mike3st

I am supposed to be doing numbers 15-69 in my book that are multiples of 3, which ones are they?

I am supposed to be doing numbers 15-69 in my book that are multiples of 3, which ones are they?

Top 4 Answers
A few days ago
?

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Hey linda, 16 is not a multiple of three.
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A few days ago
linda90951
15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69
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A few days ago
my 2 cents
Just for future reference:

You can always tell if a number is divisible by three by adding together it’s digits. If the sum is divisible by three, then the original number is divisible by three.

Examples:

Is 15 divisible by three? 1+5 =6, 6 is divisible by 3, so 15 is also.

Is 53 divisible by three? 5+3= 8, 8 is not divisible by three, so 53 isn’t either.

Is 159 divisible by three? 1+5+9= 15 = 1+5= 6, So yes, it’s divisible y three.

This isn’t exactly what you asked for, but it can sometimes be handy anyway.

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A few days ago
Georgia Peach
Divide all the numbers by 3. Whichever numbers come out even are the numbers that are multiples of three.
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