The ratio of spinsters to cats is 2 to 7. If there are 40 more cats than spinsters, how many spinsters are there?  Choose the most appropriate option:
A) 14  B) 16  C) 18  D) 20  E) 22
Let 2x be the number of spinsters. Then 7x is the number of cats.   7x-2x=40   x=8 and the number of spinsters is 2(8)=16.   The answer is 16.
<result>B</result>
The ratio of spinsters to cats is 2 to 7. If there are 40 more cats than spinsters, how many spinsters are there?