The wages earned by Robin is 20% more than that earned by Erica. The wages earned by Charles is 60% more than that earned by Erica. How much percent is the wages earned by Charles more than that earned by Robin?  Choose the correct answer.
A) 18.75% B) 33% C) 30% D) 50% E) 100%
Let wage of Erica = 10   Wage of Robin = 1.2*10= 
<gadget id="calculator">1.2*10</gadget>
<output>12</output>
12   Wage of Charles= 1.6 *10= 
<gadget id="calculator">1.6 *10</gadget>
<output>16</output>
16   Percentage by which wage earned by Charles is more than that earned by Robin= (16-12)/12 * 100%   = 4/12 * 100%   =33%   Answer 33%
<result>B</result>
The wages earned by Robin is 20% more than that earned by Erica. The wages earned by Charles is 60% more than that earned by Erica. How much percent is the wages earned by Charles more than that earned by Robin?