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sesenic [268]
3 years ago
11

Lindsay drove for 5 1 /2 hours at 60 miles per hour. How much distance did she travel?

Mathematics
1 answer:
GaryK [48]3 years ago
5 0

let's firstly convert the mixed fraction to improper, and then check.


\bf \stackrel{mixed}{5\frac{1}{2}}\implies \cfrac{5\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{11}{2}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\begin{array}{ccll}
miles&hours\\
\cline{1-2}
60&1\\[0.8em]
m&\frac{11}{2}
\end{array}\implies \cfrac{60}{m}=\cfrac{~~1~~}{\frac{11}{2}}\implies \cfrac{60}{m}=\cfrac{~~\frac{1}{1}~~}{\frac{11}{2}}\implies \cfrac{60}{m}=\cfrac{1}{1}\cdot \cfrac{2}{11}
\\\\\\
\cfrac{60}{m}=\cfrac{2}{11}\implies 660=2m\implies \cfrac{660}{2}=m\implies 330=m

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