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Take a look at what you need.
The first tile uses up 38cm.
Each other tile uses up 38.8 cm, including the grout.
So, the total length of n tiles is 38 + 38.8(n-1)
So, solve this equation for n to see how many tiles to use. Round up toi a whole number.
38 + 38.8n = 582
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?
2 answers
Oops: 38 + 38.8(n-1) = 582