Question

10 years ago neethu's mother was four times as old as neethu. after 10 years Neethu's mother will be twice as neethu's age. how old is neethu now??!!
hey..anyone plz help meh​

Answer 1

Answer:

20 years old

Step-by-step explanation:

hope it helpss ^_^

Answer 2

Answer:

20

Step-by-step explanation:

let present age of neethu be x and her mother's be y,

given

10 yrs ago,

or, (y-10) = 4(x-10)

or y= 4x - 40 +10

or y = 4x -30

again,

after ten years,

(y+10)= 2(x+10)

or y+ 10 = 2x + 20

or, 4x - 30 = 2x +10

or, 2x = 40

x = 20