Respuesta :

Answer:

The number of pages they have read is 272 pages.

[tex]n=272\text{ pages}[/tex]

Explanation:

Given;

The class has read 68% of the book.

If the total number of pages is 400.

Then;

let n represent the number of pages they have read;

[tex]\begin{gathered} n=68\text{\% of 400} \\ n=\frac{68}{100}\times400 \\ n=272\text{ pages} \end{gathered}[/tex]

Therefore, the number of pages they have read is 272 pages.

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