Answer: 20 grams
Explanation:
Hi, to answer this question we have to write an equation:
The amount of grams of silver he lost at the Holdong mine heist(x) plus 5 , is equal to the amount of grams of silver he lost in the Hysean mine heist. (25)
Mathematically speaking:
x+5=25
Solving for x
x = 25-5
x = 20 grams
Feel free to ask for more if needed or if you did not understand something.