Father age

His father was four years as old as one-fifth of his age now eight years ago. How old is she?

Final Answer:

x =  40

Step-by-step explanation:


x-8 = 4·x/5

x = 40


x = 40/1 = 40

x = 40

Our simple equation calculator calculates it.



Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
Need help calculating a sum, simplifying, or multiplying fractions? Try our fraction calculator.
Do you have a linear equation or system of equations and are looking for a 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:

algebranumbersUnits of physical quantitiesGrade of the word problem

Related math problems and questions: