502398
502398
26-03-2018
Mathematics
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Help me! I am confused
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jdoe0001
jdoe0001
26-03-2018
we know the workers can unpack 48 books in 2 minutes, so how many minutes for 200?
[tex]\bf \begin{array}{ccll} books&minutes\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 48&2\\ 200&m \end{array}\implies \cfrac{48}{200}=\cfrac{2}{m}\implies m=\cfrac{200\cdot 2}{48} \\\\\\ m=\cfrac{25}{3}\implies m=8\frac{1}{3}\impliedby \textit{8 minutes and 20 seconds}[/tex]
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