SOLUTION: Ria's mother age is four times of her age now. in 20 years the mother will be twice as old age of Ria. Find the present age?
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Question 645458: Ria's mother age is four times of her age now. in 20 years the mother will be twice as old age of Ria. Find the present age?
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
Ria's mother age is four times of her age now
let ria is x & her mother is 4x
in 20 years the mother will be twice as old age of Ria
4x+20=2(x+20)=2x+40
or 4x-2x=40-20
or 2x=20
or x=10=ria's age
& her mother is 40 yrs
ans
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