Question
George wants to cover a floor measuring 110 cm by 70 cm with square tiles of the same size. Given that he uses only whole tiles, find
  1. the largest possible length of the side of each tile.
  2. the number of tiles that are needed to cover the floor.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

George wants to cover a floor measuring 110 cm by 70 cm with square tiles of the same size. Given that he uses only whole tiles, find
  1. the largest possible length of the side of each tile.
  2. the number of tiles that are needed to cover the floor.