Hey Guys, help my little niece solve this maths problem. thanks ~~~
Question:
3 students live in one room.
It cost them $300 one night. So, each of them give out $100.
The landlord gave them a discount, he took $250 and asked servant to give $50 to them.
The servant only gave them $30 and hide $20 for himself.
So, everyone actually spend (300-30)/3=$90
All together is 90*3=$270
Then, 270+20(the money servant stole)=$290
Well, where's the missing $10?
