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to meet building codes, a building must have a roof no taller than 96 feet.an architect is designing an office building with an 18 3/4 foot ground floor, and 11 ft. 8 inch upper floors. How many floors , including ground floor, can the building have?



Answer :

[tex]96ft-18\frac{3}{4}ft=77\frac{1}{4}ft\\\\11ft\ 8in=11\frac{8}{12}ft=11\frac{2}{3}ft\\\\77\frac{1}{4}:11\frac{2}{3}=\frac{309}{4}:\frac{35}{3}=\frac{309}{4}\cdot\frac{3}{35}=\frac{927}{140}=6\frac{87}{140}\\\\Answer:ground\ floor\ and\ 6\ upper\ floors.[/tex]

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