A tile is 38 cm long and the space between the tiles is 0.8. How many tiles are required to build a floor 5.82 m long?

Answer 1

5.82 m = 582 cm

N * ( 38 + 0.8 ) = 582

N * 38.8 = 582 Divide both sides with 38.8

N = 582 / 38.8

N = 15 tiles