Mathematics, 04.07.2019 17:30 Sadiecoyle37
How many feet of wallpaper border does ava need in her 10 9/12 by 8 1/2 ft room?
Answers: 1
![\bf \stackrel{mixed}{10\frac{9}{12}}\implies \cfrac{10\cdot 12+9}{12}\implies \stackrel{improper}{\cfrac{129}{12}}~\hfill \stackrel{mixed}{8\frac{1}{2}}\implies \cfrac{8\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{17}{2}} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \cfrac{129}{12}\cdot \cfrac{17}{2}\implies \cfrac{43}{4}\cdot \cfrac{17}{2}\implies \cfrac{731}{8}\implies 91\frac{3}{8}](/tpl/images/0051/0206/fcefb.png)
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