After giving a discount of rs.45 the shopkeeper gets a loss of 10%,if the cost price is rs.180.find the markup %?
Choose the most appropriate option:
A) 0.21
B) 0.2
C) 0.17
D) 0.21
E) 0.15
cost price=180   s.p=180*90/100= 
<gadget id="calculator">180*90/100</gadget>
<output>162</output>
162   disc=45   so...mark price=162+45=207......   mark up%=207-180/180=81/180=.15 or 15%   ANSW0.15R:0.15
<result>E</result>
After giving a discount of rs.45 the shopkeeper gets a loss of 10%,if the cost price is rs.180.find the markup %?