A circuit contains four resistors. Resistor r1 has a resistance of 51.0, resistor r2 has a resistance of 125, resistor r3 has a resistance of 77.0, and resistor has a resistance of 165.
A) The total resistance in the circuit is:
a) 418.0 ohms
b) 418.5 ohms
c) 318.0 ohms
d) 418.2 ohms