Question

5. The age of Reena and Tina are in the ratio 3: 4.
Five years ago there ages were in the ratio 2 : 3.
Find their present ages.​

Answer 1

ANSWER :

15, 20

Step-by-step explanation:

Let the age of reena be 3x and tina be 4x because the ratio is 3 : 4

5 years ago

Age of Reena = 3x - 5

Age of Tina = 4x - 5

Ratio = 2 : 3

Therefore,

(3x-5)/(4x-5) = 2/3

3(3x - 5) = 2( 4x - 5)

= 9x - 15 = 8x - 10

= 9x - 8x = 15 - 10

= x = 5

Present age of Reena = 3x = 3(5) = 15

Present age of Tina = 4x = 4(5) = 20

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