The wages earned by Robin is 30% more than that earned by Erica. The wages earned by Charles is 50% 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) 23%	C) 15%	D) 50%	E) 100%
Let wage of Erica = 10   Wage of Robin = 1.3*10= 
<gadget id="calculator">1.3*10</gadget>
<output>13</output>
13   Wage of 15%harles= 1.5 *10= 
<gadget id="calculator">1.5 *10</gadget>
<output>15</output>
15   Percentage by which wage earned by 15%harles is more than that earned by Robin= (15-13)/13 * 100%   = 2/13 * 100%   =15%   Answer 15%
<result>C</result>
The wages earned by Robin is 30% more than that earned by Erica. The wages earned by Charles is 50% more than that earned by Erica. How much percent is the wages earned by Charles more than that earned by Robin?