Five years ago,Nuri was thrice as old as Sonu.Ten years later,Nuri will be twice as old as Sonu.How old are Nuri and Sonu.
Frnds this question of linear equation in two variable
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Five years ago,Nuri was thrice as old as Sonu.Ten years later,Nuri will be twice as old as Sonu.How old are Nuri and Sonu.
Frnds this question of linear equation in two variable
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(ii)Let present age of Nuri = x and present age of Sonu = y
From given data:
(x – 5) = 3(y-5)
x – 3y = -10———(1)
(x + 10) = 2(y + 10)
x – 2y = 10 —————–(2)
Subtracting equation (1) from equation (2), we obtain y = 20 ——– (3)
Substituting it in equation (1), we get
x – 60 = -10
x = 50
Hence, age of Nuri = 50 years
And, age of Sonu = 20 years
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