SOLUTION: A square tile has side 30cm how many of these tiles will cover a rectangular floor length 7.2cm and width 4.2m

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Question 839659: A square tile has side 30cm how many of these tiles will cover a rectangular floor length 7.2cm and width 4.2m
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,

Floor Area = 7.2m%2A4.2m Note using meters for both length and width
tile area = (.30m)^2 = .9m^2 Converted side length of 30cm to meters
How many tiles needed: %287.2m%2A4.2m%29%2F.9m%5E2