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Question

1. Find out the age of your grandfather and father. Form a linear equation among the two.
a) Age of your grandfather and your age
b) Your age and your father?s age.

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Solution

Dear student,Let the age of mine, my father and my grandfather be 25, 50, and 75 years respectively. (a) Now, Age of mine = 25 years. Age of my grandfather = 75 years. This means my grandfather is thrice times older then me. Grandfather's age = 3 × My age If my age is x (= 25) years and then my grandfather's age will be 3x years. Required linear equation is Grandfather's age = 3x (b) Mine age = 25 years. My Father's age = 50 years. It means my father is twice of mine age, Father's age = 2 × My age Father's age = 2x This is the Required linear equation of one variables.Regards

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