Sachin completed 3/5 of a story books. She finds more 80 pages to complete the story book. What is the total no. of pages in the story books.
solve for x
(2/5)x = 80
(If she finished 3/5 of the book, then 2/5 remain to be read)
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To find the total number of pages in the story book, we can set up an equation using the information given.
Let's assume that the total number of pages in the story book is "x".
According to the given information, Sachin completed 3/5 of the story book. This means that Sachin read (3/5)x pages.
Sachin finds 80 more pages to complete the story book. So, the equation becomes:
(3/5)x + 80 = x
To solve this equation, we can multiply both sides by 5 to eliminate the denominator:
3x + 400 = 5x
Now, subtract 3x from both sides:
400 = 2x
Divide both sides by 2:
x = 400/2
Simplifying the right side gives us:
x = 200
Therefore, the total number of pages in the story book is 200.