Asked by Heleny
A man is currently 4 times as old as his son. In 4 yrs from now hell be 3 times as old as his son will be then. How old is his son now??
Answers
Answered by
Dr. Jane
Can you get this started based on the help you got a little while ago?
Let m = man
Let s = son
Currently: give me the equation
four years from now: give me the equation.
Let m = man
Let s = son
Currently: give me the equation
four years from now: give me the equation.
Answered by
Heleny
Okay : Currently man is : 4s
Son : s
4 yrs froom now:
Man
3(s-3)
Son: s-3
Son : s
4 yrs froom now:
Man
3(s-3)
Son: s-3
Answered by
Dr. Jane
You are correct with the m = 4s
for years from now the man will be m+4
and the son will be s +4
Now, what is their age relationship.
The man will be 3 times older than his son.
m + 4 = 3(s+4)
use that equation and m = 4s
to find their ages.
You have to read carefully and look for key words. For example, 3 times means to multiply by 3.
Four years from now means you have to add 4 years to their age.
If it said 4 years ago then you would subtract.
for years from now the man will be m+4
and the son will be s +4
Now, what is their age relationship.
The man will be 3 times older than his son.
m + 4 = 3(s+4)
use that equation and m = 4s
to find their ages.
You have to read carefully and look for key words. For example, 3 times means to multiply by 3.
Four years from now means you have to add 4 years to their age.
If it said 4 years ago then you would subtract.
Answered by
Heleny
Thanks alot :) that helpe me alot
Answered by
alj
father=32
son=8
son=8
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