SOLUTION: A father is 5 times as old as his son. In 18 years, the father will be twice as old as his son. How is old is the father at present?
Algebra.Com
Question 805118: A father is 5 times as old as his son. In 18 years, the father will be twice as old as his son. How is old is the father at present?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
f=5s,
f+18=2*(s+18)
5s+18=2*(s+18)
5s+18=2s+36
3s=18
s=6
f=30
dad is 30 now
RELATED QUESTIONS
A father is 5 times as old as his son. In 18 years, the father will be twice as old as... (answered by amoresroy)
A father is 5 times as old as his son. In 18 years, the father will be twice
as old as... (answered by ewatrrr)
A father is 5 times as old as his son. In 18 years, the father will be twice
as old as... (answered by rothauserc)
A father is 5 times older than his son. In 15 years he will be twice as old as his son. (answered by mando271)
A father is twice as old as his son. In 20 years, the son will be 2/3 as old as his... (answered by richwmiller)
A father is 50 years old and his son is 22 years old. In how many years will
the father... (answered by htmentor)
A father is 32 years older than his son. In 4 years the father will be 5 times as old as... (answered by sudhanshu_kmr)
a father is 32 years older than his son. in 4 years the father will be 5 times as old as... (answered by CubeyThePenguin)
A father is 35 years old and his son is 2 years old. In how many years will the father be (answered by stanbon)