Question 1183997
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30cm is 0.3m.<br>
Along the length of the floor the number of tiles needed is {{{7.2/0.3=24}}}<br>
Along the width of the floor the number of tiles needed is {{{4.2/0.3=14}}}<br>
The number of tiles needed is 24*14 = 336.<br>
ANSWER: 336<br>