I had some of my books which were now no use to me, so I wanted to sell them.

I sold half of them at 40% loss then half of the remaining at 40% gain and the remaining at same price as the selling price.

What was net profit % or loss%.

Guest Jan 15, 2021

#1**+1 **

For simplicity, let us suppose that you have 100 books that you sell for $1 each

Total value of your expected sales = $100

Selling (1/2) of these at a 40% loss ....you realize .60 *50 = $30

Selling 1/2 of the remaining books at a 40% gain you realize (25) * 1.40 = $35

Selling the remaining books you realize 25 * 1 = $25

So....the amount you make = $ [30 + 35 + 25 ] = $90

So you absorb a loss of (100 - 90] / 100 * 100% = (10/100) * 100% = 100%/10 = 10%

CPhill Jan 15, 2021