Answers

2016-03-09T21:19:35+05:30
Cost of 100 articles =4000/-
profit on whole=20%
(sp-cp/cp)100=20
(sp-4000/4000)100=20
sp-4000=20*40
sp-4000=800
sp=4000+800
therefore selling price of whole is 4800
for 80 articles 80*48=3840
0