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Emmanuel wants to tile his rectangular floor. he has 2 kinds of tiles to choose from, one of which is larger than the other. a. What area will be covered by the 8" x 8" tile? 16 by 16 tile? b. if the rectangular floor has dimensions of 74" by 128", how many small square tiles are needed to cover it?

Sagot :

luana
[tex]Area\ of\ rectangular\ floor:\\\\ A_f=74*128=9472\\\\ Area\ of\ small\ tile:\\\\ A_s=8*8=64\ Small\ tile\ will\ cover\ 64''^2 \\\\ Area\ of\ big\ tile:\\\\ A_b=16*16=256\ Big\ tile\ will\ cover 256''^2\\\\ A_f:A_s=9472:64=148\\\\ A_f:A_b=9472:148=64\\\\\ To\ cover\ the \ floor\ 148\ small\ tiles\ are \ needed.[/tex]
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