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 >

Maria is 7 years older than her brother Robert. In 2 years, Maria's age will be 4 times Robert's age 3 years ago. Find their present ages.

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

Solution

Mariais7yearsolderthanherbrotherRobert.In2years,Maria′sagewillbe4timesRobert′sage3yearsago.Findtheirpresentages.

Solution

Maria′sageis:14
Robert′sageis:7
Solution steps
Translate the problem into an equation:x+2=4(x−7−3)
Solve for x,x+2=4(x−7−3):x=14
Find age
Maria′sageis:14
Robert′sageis:7

Popular Examples

48 less than twice a numberThe sum of 4 times a number and 2 equals 6What number is 128% of 75?The square of a number is 4 times the number. Find the numberNicholas has 5,495 in an account that earns 14% interest compounded annually.To the nearest cent, how much interest will he earn in 4 years?
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