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Fynjy0 [20]
3 years ago
11

Greta read a 900 pages book in 15 days, reading for 5 hours every day.

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
So she reads for 5 hours every day for 15 days, how many hours is that?  well is just 5*15, or 75 hours.

so, she reads 900 pages in 75 hours, how many pages does she do in 1 hour?

\bf \begin{array}{ccll}
pages&hours\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
900&75\\
p&1
\end{array}\implies \cfrac{900}{p}=\cfrac{75}{1}\implies \cfrac{900\cdot 1}{75}=p
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In statistics, the number of degrees of freedom is the number of values in the final calculation of a statistic that are free to vary.

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