Square sides

If we enlarge the side of the square by a third, its circumference will be 20 cm larger than the original. What is the side of the square?

Correct answer:

x =  15 cm

Step-by-step explanation:


4(x+x/3)=4x+20

4•(x+x/3)=4•x+20

4x = 60

x = 15

Our simple equation calculator calculates it.



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



avatar







Tips to related online calculators
Need help to calculate sum, simplify or multiply fractions? Try our fraction calculator.
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:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: