Two-fifths 2731

Barbora has already read 144 pages of the book. She has yet to read two-fifths of the pages of the entire book. How many pages does the whole book have?

Correct answer:

x =  240

Step-by-step explanation:


x-2/5 x = 144

x-2/5·x = 144

3x = 720


x = 720/3 = 240

x = 240

Our simple equation calculator calculates it.



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







Tips for related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

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

Related math problems and questions: