the ratio of reena's age to sadhana's age is 6:7 . After 12 years the ratio of their ages will be 12:13 . Find their present ages
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Answer- Ratio= 6:7
Let Reena's present age= 6x
Let Sadhana's age= 7x
After 12 years,
Reena's age= 6x+12
Sadhana's age= 7x+12
ATQ, 6x+12/7x+12= 12/13
13(6x+12)= 12(7x+12)
78x+156= 84x+144
156-144= 84x-78x
12= 6x
x= 2
So, Reena's age= 6x= 6(2)= 12 years
Sadhana's age= 7x= 7(2)= 14 years.
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Let Reena's present age= 6x
Let Sadhana's age= 7x
After 12 years,
Reena's age= 6x+12
Sadhana's age= 7x+12
ATQ, 6x+12/7x+12= 12/13
13(6x+12)= 12(7x+12)
78x+156= 84x+144
156-144= 84x-78x
12= 6x
x= 2
So, Reena's age= 6x= 6(2)= 12 years
Sadhana's age= 7x= 7(2)= 14 years.
Please mark as the BRAINLIEST answer if helpful.
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