SOLUTION: The combined age of a father and his son are 36.In seven years the father will be four times as old as his son.

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Question 1178816: The combined age of a father and his son
are 36.In seven years the father will
be four times as old as his son.
Found 3 solutions by mananth, josgarithmetic, ikleyn:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
The combined age of a father and his son
are 36.In seven years the father will
be four times as old as his son.
let father,s age be x
son,s age be y
combined age of a father and his son
are 36.
x+y=36---------------(1)
In seven years the father will
be (x+7) years
son's age will be( y+7) years
father four times as old as his son
(x+7) = 4(y+7)
x+7 =4y+28
x-4y=21----------------(2)
5y=15
y=3
x=33
father,s age 33 years
son,s age 3 years



Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
f, Father
36-f, Son
-
f%2B7=4%2836-f%2B7%29
-
f=-7%2B144-4f%2B28
f%2B4f=144%2B21
5f=165
highlight%28f=33%29
-
Son is highlight%283%29.

Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.

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