Calculated 6501

Alenka calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book?

Correct answer:

d =  17

Step-by-step explanation:

10 (187) = 11 (d7) 10:(d7) = 11:(187)  10 18=10 7+11 (d7)  11d=187  d=11187=17  d=17

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
Check out our ratio calculator.
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: