Question 10 - Solving difficult equations - Chapter 2 Class 8 Linear Equations in One Variable
Last updated at April 16, 2024 by Teachoo
Solving difficult equations
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Solving difficult equations
Last updated at April 16, 2024 by Teachoo
Question 10 Aman's age is three times his son's age. Ten years ago he was five times his son's age. Find their present ages.Let Aman's son's present age be x Then, Aman's present age is 3x Ten years ago, Aman's age = 3x 10 Aman's son's age = x 10 Given, Ten years ago, he was five times his son s age Aman's age = 5 Aman's son's age 3x 10 = 5 (x 10) 3x 10 = 5x 50 3x 10 + 50 = 5x 3x + 40 = 5x 40 = 5x 3x 40 = 2x x = 40/2 x = 20 Hence, Aman's Son's age = x = 20 years A man's age = 3x = 3 20 = 60 years