The ratio of the number of ladies to gents at a party was 1:4 but when 2 ladies and 2 gents left, the ratio became 1:3. How many people were at the party originally?	Options
A) 18  B) 25  C) 29  D) 20  E) 24
x, 4x   (x-2):(4x-2) = 1:3   3x-6 = 2x-2   x = 4   x+4x = 5x   =&gt; 5*4= 
<gadget id="calculator">5*4</gadget>
<output>20</output>
20   ANSWER:20
<result>D</result>
The ratio of the number of ladies to gents at a party was 1:4 but when 2 ladies and 2 gents left, the ratio became 1:3. How many people were at the party originally?