Question

shop keeper marks price of an article ar rs.80. Find the cost price if after allowing a dissount of 10 percnt he still gains 20% of the cost price​

Answer 1

Answer:

RS 60

Step-by-step explanation:

CP+profit of 20% on CP=SP

so,SP=6/5 CP

also,SP=MP-10%of MP=80-8=72

6/5x=72=>60