A furniture store bought chairs for 60% of their list price and sold them for 10% off the list price. What is their percent gain?
Choose the correct choice from the following choices:
A) 25
B) 50
C) 60
D) 75
E) 110
Cost = 60% of List Price = .6*L
Sale = (100-10)% of List Price = .9*L
Gain Ratio = (Sale - Cost) / Cost = (.9*L - .6*L) / .6*L = .3*L / .6*L = 0.50
Gain Percent = 100 * Gain Ratio = 100 * 0.5= 
<gadget id="calculator">100 * 0.5</gadget>
<output>50</output>
50%= Answer 50
<result>B</result>
A furniture store bought chairs for 60% of their list price and sold them for 10% off the list price. What is their percent gain?