Physics

Problem

A girl is

10\,\text{m}

west of the school gate (take the gate as the origin). She then walks

30\,\text{m}

east,

20\,\text{m}

west and finally

150\,\text{cm}

east. What is her final position relative to the gate? a)

11.5\,\text{m}

east b)

1.5\,\text{m}

west c)

1.5\,\text{m}

east d)

15\,\text{m}

east