The wages earned by Robin is 30% more than that earned by Erica. The wages earned by Charles is 60% more than that earned by Erica. How much % is the wages earned by Charles more than that earned by Robin? Choices:  A) 23%  B) 18.75%  C) 30%  D) 50%  E) 100%
Explanatory Answer   Let the wages earned by Erica be $100   Then, wages earned by Robin and Charles will be $130 and $160 respectively.   Charles earns $30 more than Robin who earns $130.   Therefore, Charles' wage is 30/130*100 = 23.07%.   correct choice is (23%)
<result>A</result>
The wages earned by Robin is 30% more than that earned by Erica. The wages earned by Charles is 60% more than that earned by Erica. How much % is the wages earned by Charles more than that earned by Robin?