The answer should be C. 3

this equals = 3 4/40 =☆ 3 1/10☆
Is there some sort of paper that shows you what to do?
a bus took 30
minutes-------------------------- to cover a distance of 20 city blocks<span>
X
minutes------------------------------------------------one (1) city block</span>
I apply a rule of three
<span>
X=(1)*(30)/20=1.5 </span>
Therefore
the bus moved
1.5 minutes/block city
<span> </span>