Question
A certain type of tile costs $50 per square meter.
If the actual tiles are square tiles with sides 20 cm,
How much does one tile cost?
If the actual tiles are square tiles with sides 20 cm,
How much does one tile cost?
Answers
Steve
20cm * 20cm * $50/m^2 * m^2/(100cm)^2
= 20*20*50/100*100 = $2 per tile
makes sense, since 20cm = 1/5 m, so there are 25 tiles/m^2
= 20*20*50/100*100 = $2 per tile
makes sense, since 20cm = 1/5 m, so there are 25 tiles/m^2