31.20 is 65 percent of 48 so 100-65=35. the answer is 35%
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>
The ration of x to y is 1:3 if you divide 2:6 by its gcf (2), you get 1:3.
You would multiply the growth rate (.009) by 2/3 to get the percent rate per year. Therefore, the answer is .006