Question

A floor 5m by 20m is covered by square tiles of side 20cm. How many tiles are needed ?

Answer 1

Any one ?

Answer 2

area of floor= 5*20= 100 m
area of tile = 20cm*20cm= 400 cm= 4m
tiles required= 100/4= 25

Answer 3

wrong

Answer 4

whats the correct answer??

Answer 5

2500 tiles

Answer 6

it is 5 times 5 times 5 times 20

Answer 7

yes, i am sorry.. u will divide 400 cm by 10000 to convert it into meters i.e. 400/10000=0.04m
then divide 100 by 0.04 and u'll get 2500.

Answer 8

yes thats right

Answer 9

any way thanks