in 1980 father's age was 8 times his son's age.in 1988 father's age was 10 times what is son's age in 1980 and in 1990 father and his sons ages was?
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Answer:
Father 42 Son 14
Step-by-step explanation:
Equ(1) F=8S
Equ(2) F+8=10S
(1) on (2)=> 8S+8=10S
S=4 and F=32
After 10 yrs F=42 and S=14
Answered by
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Given :
In 1980, Father's age was 8 times his son's age.
In 1988, father's age was 10 times what is son's age in 1980.
To find : Father and son's age in 1990=?
Solution :
Let the age of son be 'x'.
Let the age of father be '8x'.
in 1988, the age of father would be :
So, the age of father would be
in 1990, age of son would be
The age of father would be
Hence, the age of his son and his father are 14 years and 42 years resp.
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