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 >

Sandy is four times as old as her friend, Peter. In 16 years time Sandy will be twice as old as Peter.What are there present ages

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

Solution

Sandyisfourtimesasoldasherfriend,Peter.In16yearstimeSandywillbetwiceasoldasPeter.Whataretherepresentages

Solution

Peter′sageis:8
Sandy′sageis:32
Solution steps
Translate the problem into an equation:4x+16=2(x+16)
Solve for x,4x+16=2(x+16):x=8
Find age
Peter′sageis:8
Sandy′sageis:32

Popular Examples

The sum of three consecutive integers is-126 What is the integers8factor the numberPatrick deposited 8,000.00 into a new savings account that earns interest compounded quarterly. After 7 years, the balance in the account was 15,300.00. What was the interest rate on the account?Round your answer to the nearest tenth of a percent.There are 5 consecutive integers with a sum of-470. What is the value of the least integer?Suppose that 7000 is placed in an account that pays 3% interest compounded each year.Assume that no withdrawals are made from the account. Do not do any rounding. Find the amount in the account at the end of 2 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