Four-digit 2807

How often do we add 25 to 124 to get the largest four-digit number?

Correct answer:

n =  395

Step-by-step explanation:


124+25n=9999

124+25·n=9999

25n = 9875


n = 9875/25 = 395

n = 395

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: