A current of flows into a junction through one wire

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits

Problem

A current of

6.0\,\text{A}

flows into a junction through one wire. Currents of

2.5\,\text{A}

and

1.8\,\text{A}

leave the junction along two separate branches. Determine the magnitude and direction of the current in a third branch connected to the junction.