If a 55 $\mathrm { k } \Omega$ , 22 $\mathrm { k } \Omega$

Multiple Choice

If a 5.5 $\mathrm { k } \Omega$ , 22 $\mathrm { k } \Omega$ and 500 $\Omega$ resistor are connected in parallel, what is RT ?

A) 28.1 $\mathrm { k } \Omega$
B) 449 $\Omega$
C) 330 $\Omega$
D) 27.6 $\mathrm { k } \Omega$