This shit is going to irritate me.
I Got it, HAHA!
If you Divided 97$ by 2 it would = 48.50
to each parent he gave a dollar back to for change.
making what he owes his parents 49.50
so 49.50 + 49.50 = 99$
Then if you add the dollar kept it equals to 100$
It’s just the way they did the math!!