SOLUTION: Lyn's father is 4 times as old as Lyn. Five years ago the father was 7 times as old as Lyn. How old is Lyn now
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Question 1151467: Lyn's father is 4 times as old as Lyn. Five years ago the father was 7 times as old as Lyn. How old is Lyn now
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let Lyn's father age be and Lyn's age
if Lyn's father is times as old as Lyn, we have
...........eq.1
if years ago the father was times as old as Lyn, we have
.......eq.2
substitute from eq.1
.......eq.2......solve for
Lyn is years old now
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