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 >

Michael is 3 times as old as Brandon. 18 years ago, Michael was 9 times as old as Brandon.

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

Solution

Michaelis3timesasoldasBrandon.18yearsago,Michaelwas9timesasoldasBrandon.

Solution

Brandon′sageis:24
Michael′sageis:72
Solution steps
Translate the problem into an equation:3x−18=9(x−18)
Solve for x,3x−18=9(x−18):x=24
Find age
Brandon′sageis:24
Michael′sageis:72

Popular Examples

You invest 200 at 7% per annum compounded quarterly. How long will it take for your balance to exceed 270?You invest 5,000 into the account at a 4% interest rate compounded monthly. How much money will you have after 7 years?Lucy is four times younger than her sister. If the sum of their age is 30. What are their ages?The sum of two consecutive integers is 11. Find the numbers.A 2,000 deposit is made at a bank that pays 13% compounded quarterly. How much will you have in your account at the end of 8 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