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 Post subject: Help: Age questionPosted: Thu Dec 13, 2012 7:58 pm

Joined: Wed Nov 23, 2011 12:52 pm
Posts: 603
Location: Shamballa
Hi.What is the best way of explaining the answer to dd.

"Peter's grandma is 5 times as old as Peter was 3 years ago.
If Peter's grandma is 55,how old is Peter ?"

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"To err is human;to forgive ,divine"

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 8:26 pm

Joined: Wed Jan 18, 2012 11:41 am
Posts: 4601
Location: Essex
Gran's current age = 55 = 5 times something

55 divided by 5 = 11

therefore Peter was 11 three years ago

therefore he is (11+3) years old now i.e. 14.

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 8:28 pm

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8228
We know that Peter's grandma is 55. If you divide this by 5, because she is 5 times as old as Peter was 3 years ago, you get 11. This is the age Peter was 3 years ago. So how old is he now? 11 plus 3 = 14. He is 14.

The greatest explaining you need to do is how a she became a grandmother at the age of 39.

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 8:33 pm

Joined: Wed Nov 23, 2011 12:52 pm
Posts: 603
Location: Shamballa
Thanks v much.Thought I was going mad as the answer was "13" !

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"To err is human;to forgive ,divine"

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 8:41 pm

Joined: Wed Jan 18, 2012 11:41 am
Posts: 4601
Location: Essex
mystery wrote:
The greatest explaining you need to do is how a she became a grandmother at the age of 39.

- or at 41...

Either way, I'm afraid in some places I have worked in, either would have been regarded as an abnormally long intergenerational gap and prompted demands for investigation of infertility

(MIL had DH at 19; by choice, we started our family in our late 30s. MIL complained that she was too young to be a grandmother . DD (12) had a friend in yr6 whose mum is even now 13 years younger than I was when I had DD!).

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Outside of a dog, a book is a man's best friend. Inside of a dog it's too dark to read.Groucho Marx

Last edited by ToadMum on Thu Dec 13, 2012 8:59 pm, edited 1 time in total.

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 8:47 pm

Joined: Mon Jun 18, 2007 2:32 pm
Posts: 6966
Location: East Kent
Quote:
MIL complained that she was too young to be a grandmother

my Dad complained that , at 68, he was far too young to be a grandfather...

I am 55..and am hoping that it will be a long while before I am a grandmother!

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 9:02 pm

Joined: Mon Jul 04, 2011 1:47 pm
Posts: 2151
Location: Warwickshire
I was too old to be a mother at 41. That's not totally true; it is just my ds is so wild. If he had been a quiet, well behaved, er, girl, life would have been a lot easier.

I wouldn't have wanted dc in my twenties or early thirties. But I didn't plan one at 40. I thought it was impossible to get pregnant at 40! How stupid!

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 9:28 pm

Joined: Mon Feb 12, 2007 1:21 pm
Posts: 11952
When I worked elsewhere in the country one grandma was 31, her daughter was in Year 10 when baby arrived.

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 9:30 pm

Joined: Mon Jul 04, 2011 1:47 pm
Posts: 2151
Location: Warwickshire
That is shocking.

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 Post subject: Re: Help: Age questionPosted: Thu Dec 13, 2012 10:16 pm

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8228
Oops! I can't subtract properly. Must be because I am granny age.

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