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Paula has read 70% of the total pages in a book she is

reading for English class. Paula has read 84 pages.
Define a variable. Then write and solve an equation to
determine how many pages are in the book.

1 Answer

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Final answer:

Paula has read 70% of her book, which is 84 pages. By defining the total number of pages as x and setting up the equation 0.70x = 84, we find that the book has 120 pages in total.

Step-by-step explanation:

The question is asking us to find out the total number of pages in a book that Paula is reading for her English class. We know that Paula has read 70% of the total pages in a book she is reading for English class. Paula has read 84 pages. Let's define a variable x to represent the total number of pages in the book.

To write an equation based on this information, we take the information given and create the equation 0.70x = 84 because 70% of the total pages x equals the 84 pages that Paula has read. Now to find x, we solve the equation by dividing both sides by 0.70:

x = 84

0.70
x = 120

So, there are 120 pages in the book that Paula is reading.

Based on this calculation, it is highly unlikely that Paula will need to read a total of more than 1,050 pages as she has only read a portion of a much smaller book.

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