Depends on what you're rounded up to. If the nearest 10, it would be 20.
30 weeks (rounded down)
0
Stays the same. The remainder, as an integer, cannot be added to the whole part of the quotient.
A homonym of "15 down" could be "fifteen down," which sounds the same but has a different spelling and meaning.
20
Not necessarily. .The denominator for 1/3 + 1/5 is 15.
If 14.51 is rounded to 15, then it is rounding to the nearest whole number.
20
It can be rounded to 15 to the nearest integer
Rounded to the nearest whole number it is 15
15
15.3 rounded to the nearest whole number = 15