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Melissa read 126 pages in a book. This represents 30% of the total numbers of pages. How many pages are in her book?

Jan 16, 2020

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Melissa read 126 pages in a book.
This represents 30% of the total numbers of pages.
How many pages are in her book?

$$\begin{array}{|rcll|} \hline x*30\ \% &=& 126 \\ x*0.3 &=& 126 \\ x &=& \dfrac{126}{0.3} \\ \mathbf{x} &=& \mathbf{420} \\ \hline \end{array}$$

In her book are 420 pages.

Jan 16, 2020

#1
+24093
+2

Melissa read 126 pages in a book.
This represents 30% of the total numbers of pages.
How many pages are in her book?

$$\begin{array}{|rcll|} \hline x*30\ \% &=& 126 \\ x*0.3 &=& 126 \\ x &=& \dfrac{126}{0.3} \\ \mathbf{x} &=& \mathbf{420} \\ \hline \end{array}$$

In her book are 420 pages.

heureka Jan 16, 2020