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in Linear Equations by (33.6k points)
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The sum of ages of Priyanka and Deepika is 34 years. Priyanka is elder to Deepika by 6 years. Then find their present ages.

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Let the present age of Priyanka be ‘x’ years and that of Deepika be ‘y’ years.

 According to the first condition, 

Priyanka’s age + Deepika’s age = 34 years 

∴ x + y = 34 …(i) 

According to the second condition, 

Priyanka is elder to Deepika by 6 years. 

∴ x =y + 6 

∴ x – y = 6 …..(ii) 

Adding equations (i) and (ii)

∴ x = 20 

Substituting x = 20 in equation (i),

 x + y = 34 

∴ 20 + y = 34 

∴ y = 34 -20= 14 

∴ The present age of Priyanka is 20 years and that of Deepika is 14 years

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