Question

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 now?

Answer 1

Step-by-step explanation:

Let the present age of Nuri be x years and Sonu be y years

According to the question,

x - 5 = 3( y - 5)

x - 5 = 3y - 15

x - 3y = - 10 (1)

x + 10 = 2(y+10)

x + 10 = 2y + 20

x - 2y = 10 (2)

Subtracting (2) from (1), we get

x - 3y = -10

x - 2y = 10

- + -

-y = -20

y = 20

Put y = 20 in (1), we get

x - 3(20) = -10

x - 60 = -10

x = 50

Therefore, Nuri is 50 years and Sonu is 20 years

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Answer 2

Answer:

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