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18-08-2014
Mathematics

Answered

Justin is redoing his bathroom floor with tiles measuring 6in by 13 in. the floor has an area of 8,500 in². what is the least number of tiles he will need?

Answer :

20-08-2014

[tex]area\ of\ floor\ : A= 8500\ in^2\\\\Tiles:6\ in\ x\ 13\ in\\\\Area\ of\ one\ tile:\\\\A_t=6*13=78\ in^2\\\\Number\ of\ tiles:\ \frac{A}{A_t}=\frac{8500}{78}=108,9\approx109\\\\He\ will\ need\ 109\ tiles.[/tex]

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