SOLUTION: Vanda’s present age is three times that of his son. Nine years ago he was five times as old as his son. What are their present ages.?
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Question 1151617: Vanda’s present age is three times that of his son. Nine years ago he was five times as old as his son. What are their present ages.?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let Vanda’s present age be and his son's present age be
if Vanda’s present age is that of his son,
........eq.1
if years ago he was as old as his son, we have
........eq.2
from eq.1 and eq.2 we have
go back to
........eq.1, substitute
answer: Vanda’s present age is and his son's present age is
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