The ratio of buses to cars on River Road is 1 to 10. If there are 90 fewer buses than cars on River Road, how many cars are on River Road?
Choose the correct choice:
A) 50
B) 40
C) 100
D) 30
E) 20
B/C=1/10   C-B=90.........&gt; B=C-90   (C-90)/C=1/10   Testing answers. 100learly Eliminate ABDE   Put 100=100.........&gt; (100-90)/100=10/100=1/10   Answer: 100
<result>C</result>
The ratio of buses to cars on River Road is 1 to 10. If there are 90 fewer buses than cars on River Road, how many cars are on River Road?