SOLUTION: dad is seven times as old as his son. 10 years later, he will be three times as old as his son. find their ages.
Algebra.Com
Question 334097: dad is seven times as old as his son. 10 years later, he will be three times as old as his son. find their ages.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let son be x years
dad = 7x
..
10 years later
son = x+10 years
dad = 7x +10 years
..
7x+10=3(x+10)
7x+10=3x+30
7x-3x=30-10
4x = 20
x= 5
son's age now = 5 years
dad's age now = 7*5 = 35 years
..
RELATED QUESTIONS
Dad is seven times as old as his son. 10 years later, he will be three times as old as... (answered by jim_thompson5910)
Remain is seven times as old as his son. 10 years hence he will be three times as old as... (answered by ewatrrr,josmiceli)
Jim is three times as old as his son. In 10 years, Jim will be twice as old as his
son.... (answered by ikleyn)
A man is 4 times as old as his son. Eighteen years from now, he will be only twice as old (answered by kritikapd)
a man is 4 times as old as his son.20 years later he will be just twice as old as his... (answered by Maths68)
Dad is three times as old as his son. In nine years dad will be twice as old as his son... (answered by fractalier)
A father is seven times as old as his son. In five years time he will be 4 times as old... (answered by geetha_rama)
A man is four times as old as his son, in four years time he will be three times as older (answered by Alan3354,greenestamps)
A man is four times as old as his son. In five years time he will be three times as old.... (answered by algebrahouse.com)