Question

a shopkeeper buys 5fans rupees 4050 he spend 50 rupees on the transportation he sells them at a profit of 15 % find the selling price of a fan

Answer 1

First

After transportation it's price=4050-50

=4000

SP=100+gain%/100×CP

=115/100×4000

=4600

That's your answer.☺️

Answer 2

cp=4050

overhead=50

real cost = 4050+50=4100

profit%=15

let cp be

profit=15/100x100=15

sp=profit+cp
=15+=115

if cp=100 ; sp=115

if cp=4100; sp=4100x115/=4715

hope this will help you