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 >

Jack is 7 times as old as his brother Jacob. Next year she will only be 5 times as old as him. How old is Jacob now?

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

Solution

Jackis7timesasoldashisbrotherJacob.Nextyearshewillonlybe5timesasoldashim.HowoldisJacobnow?

Solution

Jacob′sageis:2
Solution steps
Translate the problem into an equation:7x+1=5(x+1)
Solve for x,7x+1=5(x+1):x=2
Jacob′sageis:2

Popular Examples

Martha invests 7700 in a new savings account which earns 5.2% annual interest, compounded quarterly. What will be the value of her investment after 4 years? Round to the nearest cent.The circumference of a circle is 25.12 yards. What is the circle's radius?cosh(9) :Enter a number:The sum of two numbers is 48. The difference of the two numbers is 34.The stock of Company A lost 4.25% today to 30.64. What was the opening price of the stock in the beginning of the day?
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