This is a mathmatical equation that cannot supposedly be solved.

I can’t remember where I first read this but I thought it was neat.I am sure there are various versions, but the math stays the same.

3 people go to a vacation park & rent a cabin. The desk clerk told the people that the fee was $30.00 per day. They split the cost by each paying $10.00. After they went to the cabin the clerk realized that it was a mid-week rental so he should have only charged them $25.00 for the cabin. He realized that he didn’t have enough change to split the $5.00 refund by 3 so he put $2.00 in his pocket & gave each one back $1.00. So instead of paying $10.00 apiece for the room they each paid $9.00.
Now 3×9 = 27.00 + the $2.00 the desk clerk kept makes the total $29.00. What happened to the missing dollar?
I understand that working it out the other way , $25.00 + $2.00 + $3.00 = $30.00 makes sense but why doesn’t it the first way?