The ratio of spinsters to cats is 2 to 7. If there are 55 more cats than spinsters, how many spinsters are there?  Pick.
A) 20
B) 21
C) 22
D) 23
E) 24
Let 2x be the number of spinsters. Then 7x is the number of cats.   7x-2x=55   x=11 and the number of spinsters is 2(11)=22.   The answer is 22.
<result>C</result>
The ratio of spinsters to cats is 2 to 7. If there are 55 more cats than spinsters, how many spinsters are there?