SOLUTION: will a tutor please help me, Lin is now 10 years old. Her dad is 3 times as old In how many years will her dad be twice as old as Lin?How old will each be then?

Question 30284: will a tutor please help me,
Lin is now 10 years old. Her dad is 3 times as old In how many years will her dad be twice as old as Lin?How old will each be then?
years later-
Dad then-
Lin then-
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Lin is 10 years old so her dad is 30 years old.
Let x be the age in the futre.
Lin's age = 10+x
Her dad's age = x+30

Equation:



2(x+10)=x+30

2x+20=x+30

x=10





Hence, after 10 years.

Paul. 

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