House Of Cards
Algebra
Level
2
Consecutive towers are built, as shown in the figure above.
The \(1^\text{st}\) tower has one floor made of two cards.
The \(2^\text{nd}\) tower has two floors made of seven cards.
The \(3^\text{rd}\) tower has three floors made of fifteen cards, and so on.
How many cards will the \(1000^\text{th}\) tower have?
by
Paola Ramírez