John makes $50 a week from his job. He earns a raise andnow makes $75 a week. What is the % increase?  Choices:
A) 15% B) 16.66% C) 50% D) 19% E) 21%
Increase = (25/50)*100 = (1/2)*100= 
<gadget id="calculator">(1/2)*100</gadget>
<output>50</output>
50%.   50%
<result>C</result>
John makes $50 a week from his job. He earns a raise andnow makes $75 a week. What is the % increase?