Answer:
discount =40%
Profit=?
cost price =$35
marked price =$35+80%of 35=$63
selling price =
marked price - discount % of marked price
=$63-40%of $63=63-25.2=$37.8
profit =selling price - cost price=$37.8-$35=$2.8
if profit% is needed
profit%=profit/cost price ×100%=
2.8/35×100%=280/35%=8%