Question

swimming pool 50 m x 20 m. how many 10 cmx 10 cm tiles needed for pool?

Answer 1

in tiles, the pool is 50*10 x 20*10, or 500 x 200. So, how many tiles is that?

Or, you can do it by dividing the areas:

50mx20m / .1mx.1m = 1000/.01 tiles