Let,
the cost price be = 100Tk.
Incurring 20% loss, selling price be = (100 - 20) = 80Tk
So, the original cost price of the article is
At 16% profit, if the cost price be 100 Tk,
the selling price is = (100 + 16) = 116Tk
To make a profit of 16%, he should sell
the article at = 384 Tk. (Ans)
Given,
Area of the field is 680 ft2
One side of rectangular field is 20 ft
So, the other side of rectangular
field is = = 34 ft
∴ So, the required fence is = (34 2 + 20) ft
= 88 ft (Ans)