We have brought additional silver with us to buy food. We do not know who put our silver in our sacks."

Genesis 42:27
At the place where they lodged for the night, one of them opened his sack to get feed for his donkey, and he saw his silver in the mouth of the sack.

Genesis 43:12
Take double the silver with you so that you may return the silver that was put back into the mouths of your sacks. Perhaps it was a mistake.

Genesis 43:21
But when we came to the place we lodged for the night, we opened our sacks and, behold, each of us found his silver in the mouth of his sack! It was the full amount of our silver, and we have brought it back with us.

Genesis 43:23
"It is fine," said the steward. "Do not be afraid. Your God, the God of your father, gave you the treasure that was in your sacks. I received your silver." Then he brought Simeon out to them.

And other money have we brought down in our hands to buy food: we cannot tell who put our money in our sacks.