The ages of Rahul and Haro on are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages?

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asked Dec 23, 2017 in Mathematics by Golu (37,045 points) 19 145 415

The ages of Rahul and Haro on are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages?

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answered Dec 23, 2017 by Golu (37,045 points) 19 145 415
 
Best answer

Let Rahul's age = 5x
Let Haroon's age = 7x
A/Q (5x+4)+(7x+4) = 56
5x+7x+8 = 56
12x = 48
x = 4
Rahul's age = 5x = 5x4 = 20 years
Haroon's age = 7x = 7x4 = 28 years

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