When you multiply a vector by a scalar, you distribute the scalar to the vector's components:
[tex]k\langle a,b\rangle=\langle ka,kb\rangle[/tex]
In this case,
[tex]\mathbf u=\langle25,-30\rangle\implies-\dfrac25\mathbf u=\langle-10,12\rangle[/tex]
so the answer is G.
