SOLUTION: Quiz Time A girl went to school & the teacher asked how old are you? She replied I don't know, bt I know that I'm half my mother's age. The teacher asked ok how old is your moth

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Question 1003924: Quiz Time
A girl went to school & the teacher asked how old are you? She replied I don't know, bt I know that I'm half my mother's age. The teacher asked ok how old is your mother? She said I don't know but I know that my Dad is 5 yrs older than my mother. Teacher, how old is yor dad? She said I don't know but I know that if we add our ages the answer is 100 yrs... Nw how old is the girl, her mum & her dad?

Found 2 solutions by rfer, lwsshak3:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x= mother
0.5x= daughter
x+5= father
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x+0.5x+x+5=100
2.5x=100-5
x=95/2.5
x=38 mother
0.5x=19 daughter
x+5=43 father

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
A girl went to school & the teacher asked how old are you? She replied I don't know, bt I know that I'm half my mother's age. The teacher asked ok how old is your mother? She said I don't know but I know that my Dad is 5 yrs older than my mother. Teacher, how old is yor dad? She said I don't know but I know that if we add our ages the answer is 100 yrs... Nw how old is the girl, her mum & her dad?
let x=xmum's age
x+5=dad's age
x/2 =girl's age
x+x+5+x/2=100
3.5x=95
xmum's age=38
dad's age=43
girl's age=19