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tgdetwiler2905
06.02.2021 •
Mathematics
Two years ago a man was five times as old as his son. Two years later his age will be eight more than three times as old as his son . Find there present age
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Ответ:
The age of man is 42 years and the age of his son is 10 years.
Ответ:
Father 42 and son 10
Let the age of the father is x years and that of the son is y years.
Then by the given question,
x-2=5(y-2)
or, x-5y=-10+2
or, x-5y=-8
or, x=5y-8
x+2=3(y+2)+8
or, x-3y=6+8-2
or, 5y-8-3y=12
or, 2y=12+8
or, y=20/2
or, y=10
then x=5y-8=50-8=42
Then, the age of father is 42 yrs. and the age of sun is 10 yrs.
Ответ:
sorry can't read, cuz too small the words.
Explanation: