Chapter 4, Problem 29SGR

To determine

To find: how many pages S has already completed.

Answer to Problem 29SGR

Sonia has already completed 24 pages.

Explanation of Solution

Given:

Length of assignment = 37

S should add = 13 pages

Calculation:

Let x be the pages that Sonia has already completed.

Here, total number of pages = pages completed + pages to be completed

So, the required equation be,

  $x+13=37$

Making like terms together,

  $\begin{array}{l}x=37-13\\ x=24\end{array}$

Conclusion:

Hence, Sonia has already completed 24 pages.