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.​

Answer 1

Step-by-step explanation:

let the present age of nuri = x

let the present age of sonu = y

A.T.Q

five years ago

x - 5 = 3 ( y - 5 )

x - 5 = 3y - 15

x - 3y = - 15 + 5

x - 3y = - 10 ----------(i)

ten years later

x + 10 = 2 ( y + 10 )

x + 10 = 2y + 20

x - 2y = 20 - 10

x - 2y = 10 ---------(ii)

By (i) and (ii) eq.

x - 3y = - 10

x - 2y = 10

___________

0 - y = - 20

y = 20

___________

put the value of y in eq. (i)

x - 3y = - 10

x - 3 ( 20 ) = - 10

x = - 10 + 60

x = 50

Answer =

present age of nuri = 50

present age of sonu = 20

Answer 2

Answer:

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