Toss Up - Physics - Multiple Choice

A 12 Volt power supply is connected to a voltage divider so that the segment between the two resistors is wired to provide 3 volts to a microcontroller. Which of the following resistances for the two resistors can be used?
W) 120 ohms, 240 ohms
X) 1200 ohms, 3600 ohms
Y) 240 ohms, 480 ohms
Z) 2400 ohms, 9600 ohms