Solutions
Integral CalculatorDerivative CalculatorAlgebra CalculatorMatrix CalculatorMore...
Graphing
Line Graph CalculatorExponential Graph CalculatorQuadratic Graph CalculatorSin graph CalculatorMore...
Calculators
BMI CalculatorCompound Interest CalculatorPercentage CalculatorAcceleration CalculatorMore...
Geometry
Pythagorean Theorem CalculatorCircle Area CalculatorIsosceles Triangle CalculatorTriangles CalculatorMore...
Tools
NotebookGroupsCheat SheetsWorksheetsPracticeVerify
en
English
Español
Português
Français
Deutsch
Italiano
Русский
中文(简体)
한국어
日本語
Tiếng Việt
עברית
العربية
Popular Word Problems >

Mary’s father is three times as old as Mary. Six years ago, father’s age was five times Mary’s age. How old is her father now?

  • Pre Algebra
  • Algebra
  • Pre Calculus
  • Calculus
  • Functions
  • Linear Algebra
  • Trigonometry
  • Statistics
  • Physics
  • Chemistry
  • Finance
  • Economics
  • Conversions

Solution

Mary’sfatheristhreetimesasoldasMary.Sixyearsago,father’sagewasfivetimesMary’sage.Howoldisherfathernow?

Solution

Father′sageis:36
Solution steps
Translate the problem into an equation:3x−6=5(x−6)
Solve for x,3x−6=5(x−6):x=12
Find Father's age:36
Father′sageis:36

Popular Examples

Adam is three years younger than twice Bob's age. In 5 years, Adam's age will be 8 years more than Bob's age. What are their 2 ages?Bill is twice as old as Bob. Bob is 3 years old. How old will Bill be in 5 years?Maria’s brother, Joe, is three years less than twice Maria’s age. Joe is 19 years old. How old is Maria?Jeff’s age is 6 more than 3 times Amber’s age. If Jeff is 27, how old is Amber?Alvin is 8 years younger than Elga. The sum of their ages is 72 . What is Elga's age?
Study ToolsAI Math SolverPopular ProblemsWorksheetsStudy GuidesPracticeCheat SheetsCalculatorsGraphing CalculatorGeometry CalculatorVerify Solution
AppsSymbolab App (Android)Graphing Calculator (Android)Practice (Android)Symbolab App (iOS)Graphing Calculator (iOS)Practice (iOS)Chrome ExtensionSymbolab Math Solver API
CompanyAbout SymbolabBlogHelp
LegalPrivacyTermsCookie PolicyCookie SettingsDo Not Sell or Share My Personal InfoCopyright, Community Guidelines, DSA & other Legal ResourcesLearneo Legal Center
Social Media
Symbolab, a Learneo, Inc. business
© Learneo, Inc. 2024