TiffanyBarmer154
14

# If a bus travels 20 km in 30 minutes. What is the average speed of the bus? A.) 20km/h B.) 30km/h C.) 40km/h D.) 50km/h

$d=20 \ km \\ t=30 \ min=0,5 \ h \\ \boxed{v-?} \\ \bold{Solving:} \\ \boxed{v= \frac{d}{t} } \\ v= \frac{20 \ km}{0,5 \ h} \\ \Rightarrow \boxed{v=40 \ km/h}$