Question

A 10 m x 8 m floor area is to be completely covered by square tiles with dimensions 50 cm x 50 cm, as shown in the figure below. How many square tiles are needed to completely cover the floor area?

Answer 1

40

Explanation:

10m x 8m = 80 Sqm. total floor area

then using 50cmx 50 cm tiles =1/2 Sqm.

so 1/2 of 80 is 40.