Question

reena is twice as old as sunita.three years ago she was three times as old as sunita. how old is reena now?

Answer 1

Let Sunita's present age = x years
Then Reena present age = 2x years

Three years ago
(2x-3) = 3(x-3)
2x - 3 = 3x - 9
or x = 6

Reena age = 2x = 2*6 = 12 year.
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Answer 2

Let Sunita's present age = x years
Then Reena present age = 2x years

Three years ago

(2x-3) = 3(x-3)
2x - 3 = 3x - 9
or x = 6

Reena age = 2x = 2*6 = 12 year.

Hope this helps you....