the ratio of spinsters to cats is 2 to 7. if there are 40 more cats than spinsters, how many spinsters are there?	Select:
A) 14
B) 16
C) 18
D) 20
E) 22
<gadget id="calculator">7 - 2</gadget>
<output>5</output>

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<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?
multiply(divide(40, subtract(7, 2)), 2)
"let 2 x be the number of spinsters . then 7 x is the number of cats . 7 x - 2 x = 40 x = 8 and the number of spinsters is 2 ( 8 ) = 16 . the answer is b ."