<span>Multiples
of 3 are {3, 6, 9, 12, 15, 18, 21, 24, 27, 30, …….} , these are all the
multiples of 3.
Now, we are looking a negative multiple of 3, which means, we need to a
negative value of 3 multiples.
=> -3 {-3, -6, -9, -12, -15, -18, -21, -24, -27, -30,…..} These are all the
negative multiple of 3 in set builder notation.
Notice, that the numbers are of divisible by 3. Any number that Is divisible by
3 is called multiple of 3.
15% and the corresponding 0.15 is by necessity unit-less; it's just a multiplier. If you run up a $1 bill and wish to tip 15%, multiply $1 by 0.15, obtaining $0.15. Then the total due would be $1 plus $0.15, or $1.15.