If she reads 50 pages per day, she will finish the book in 7.5 days
She started reading a book that has 375 pages. she reads 50 pages in one day.
where
The equation for the number of pages she has left to read is modelled as follows:
where
Therefore, she will finish the book the follow number of days:
50x = 375
x = 375 / 50
x = 7.5
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