請解答數學題!!!
2006-12-01 2:35 am
1.Teresa's age is1/4of her father's.Ifshe is 27 years younger than her father, find her age
回答 (2)
2006-12-01 3:41 am
Let y be the age of Teresa.
y+27=4y
27=4y-y
27=3y
y=9
Her age is 9 years old.
y+27=4y
27=4y-y
27=3y
y=9
Her age is 9 years old.
2006-12-01 2:42 am
If Teresa's age is A years
4A-A=27
3A=27
3A/3=27/3
A=9
SO Teresa's age is 9 years.
4A-A=27
3A=27
3A/3=27/3
A=9
SO Teresa's age is 9 years.
參考: me
收錄日期: 2021-04-12 22:40:22
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