Write the Phrase as a Unit Rate $\frac { 8 \text { hours } } { \text { dollar } }$

Multiple Choice

Write the phrase as a unit rate. $24 earned in 3 hours

A) $\frac { 8 \text { hours } } { \text { dollar } }$
B) $\frac { 24 \text { dollars } } { 3 \text { hours } }$
C) $\frac { 8 \text { dollars } ^ { 2 } } { \text { hour } }$
D) $\frac { 1 \text { dollar } } { 8 \text { hours } }$
E) $\frac { 72 \text { dollars } } { \text { hour } }$