The present age of a perosn is `(1)/(3)` of the present ae of his father. If the sum of their aes is 60 years, then find the age of the son
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Let the present age of father be x years `:.` The present age of the son =`(x)/(3)` years. Given tha `x+(x)/(3)=60` `(x)/(1)+(x)/(3)=6rArr(3xxx+1xxx)/(3)=60` `(3x+x)/(3)=60 rArr(4x)/(3)=60` `4x=60xx3rArr4x=180` `x=(180)/(4)` x=45 `:.` The age of son `=(1)/(3)xx45=15` years
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