alleryStart learning →A room 5 m by 4 m is paved with square tiles of side 50 cm. How many tiles are needed?
A40
B160
C80
D200
Answer & Solution
Correct answer: C. 80
The floor is 20 m2 and each tile covers 0.25 m2, so 20 / 0.25 = 80 tiles.
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