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Question

A man wishes to cover his floor with tiles, each one measuring 3/4 inch by 2 inches. If his room is rectangular, measuring 12 feet by 18 feet, how many such tiles will he need?

144

1152

1728

20736

ANSWER : 4

Descrption

<pre><math xmlns = "http://www.w3.org/1998/Math/MathML"><mi>A</mi><mi>r</mi><mi>e</mi><mi>a</mi><mo>&#xA0;</mo><mi>o</mi><mi>f</mi><mo>&#xA0;</mo><mi>e</mi><mi>a</mi><mi>c</mi><mi>h</mi><mo>&#xA0;</mo><mi>t</mi><mi>i</mi><mi>l</mi><mi>e</mi><mi>s</mi><mo>&#xA0;</mo><mo> = </mo><mfenced><mrow><mfrac><mn>3</mn><mn>4</mn></mfrac><mo>&#xD7;</mo><mn>2</mn></mrow></mfenced><mo> = </mo><mfrac><mn>3</mn><mn>2</mn></mfrac><mo>&#xA0;</mo><mi>s</mi><mi>q</mi><mo>&#xB7;</mo><mo>&#xA0;</mo><mi>i</mi><mi>n</mi><mi>c</mi><mi>h</mi><mspace linebreak = "newline"/><mo> = </mo><mfenced><mrow><mn>12</mn><mo>&#xD7;</mo><mn>18</mn></mrow></mfenced><mo>&#xA0;</mo><mi>s</mi><mi>q</mi><mo>&#xB7;</mo><mi>i</mi><mi>n</mi><mi>c</mi><mi>h</mi><mo> = </mo><mn>216</mn><mo>&#xA0;</mo><mi>s</mi><mi>q</mi><mo>&#xB7;</mo><mi>i</mi><mi>n</mi><mi>c</mi><mi>h</mi><mspace linebreak = "newline"/><mo>&#x2234;</mo><mfrac><mrow><mn>216</mn><mo>&#xD7;</mo><mn>144</mn></mrow><mstyle displaystyle = "true"><mfrac><mn>3</mn><mn>2</mn></mfrac></mstyle></mfrac><mspace linebreak = "newline"/><mo> = </mo><mn>20736</mn><mo>&#xA0;</mo><mfenced open = "[" close = "]"><mrow><mo>&#x2235;</mo><mi>f</mi><mi>e</mi><mi>e</mi><mi>t</mi></mrow></mfenced><mspace linebreak = "newline"/><mo> = </mo><mn>12</mn><mo>&#xA0;</mo><mi>i</mi><mi>n</mi><mi>c</mi><mi>h</mi></math>
</pre>

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