How many tiles are needed if siya buy's 10% more tiles than required?

If Siya buys 10% more tiles than required, she would need 110% of the original number of tiles.

So, if the original number of tiles required is x, then Siya would need 110% of x, which is 1.1x tiles.

Therefore, if Siya buys 10% more tiles than required, she would need 1.1 times the original number of tiles.

If the actual number of tiles required is x, then the number of tiles Siya will buy is 110% of x, or 1.1x.