Write the Rate as a Unit Rate $\$ 270.00 / \text { week }$

Write the rate as a unit rate.
-$1620 earned in 3 weeks

A) $\$ 270.00 / \text { week }$
B) $\$ 0.0019 \text { week }$
C) $ $\$ 405.00 / \text { week }$
D) $\$ 540.00 \text { /week }$