Beth had a set of 125 gold coins.  Carl gave Beth a gift of an additional 35 gold coins.  Then, Beth decided to sell half of her coins.  How many coins did Beth sell?
How many gold coins did Beth have after Carl gave her a gift? ** Carl's gift added 35 gold coins to Beth's 125-coin set, resulting in 135+25=160 gold coins.
How many gold coins does Beth sell? ** Beth chooses to sell half, or 160/2=<<160/2=80>>80 of her gold coins.
#### 80