SOLUTION: Ronmar is three times as young as Serdhan.Six years ago, the sum, of their ages was equal to Ronmar's present age.How old are Sedhan and Ronmar?

Question 480793: Ronmar is three times as young as Serdhan.Six years ago, the sum, of their ages was equal to Ronmar's present age.How old are Sedhan and Ronmar?
Answer by mathstutor494(120) (Show Source): You can put this solution on YOUR website!
Let Serdhan's present age be "x"
So Ronmar present age would be "3x"
Six years ago, their ages would be
Serdhan : "x-6" and Ronmar :"3x-6"
sum, of their ages 6 years ago
x-6+3x-6
= 4x-12 which is equal to Ronmar's present age i.e. 3x
Accordingly
4x-12 = 3x
4x-3x=12
x=12
Ans : Serdhan's age 12 years and Ronmar age 36 yrs

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