Leah had 50 stickers and we gave 1/2 of the stickers to her sister. Of the amount left she gave toothpaste to her friend. How many stickers of Leah have left herself

After giving 1/2 of her 50 stickers to her sister, Leah was left with 25 stickers. Let's say Leah gave 3 stickers to her friend. After giving the stickers to her friend, Leah would have 22 stickers left for herself.