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 Post subject: Maths age problemPosted: Fri Sep 14, 2012 10:09 pm

Joined: Sat Dec 10, 2011 4:47 pm
Posts: 103
If Sarah's bro is 2yrs younger than her, and Sarah's sister is 5 yrs younger than her.

Total age is 87

What is each persons age?

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 Post subject: Re: Maths age problemPosted: Fri Sep 14, 2012 11:40 pm

Joined: Mon Aug 22, 2011 8:20 pm
Posts: 1706
Location: Warwickshire
rashdah wrote:
If Sarah's bro is 2yrs younger than her, and Sarah's sister is 5 yrs younger than her.

Total age is 87

What is each persons age?
sister 26 1/3
brother 29 1/3
sarah 31 1/3

add on 7 years to the total age (2 for the brother and 5 for the sister) giving 94 and then divide by 3 to get Sarah's age (31 1/3) - then subtract 2 and 5 respectively from that to get the ages of the brother and sister.

These type of questions usually have answers in whole numbers though - is the question typed correctly? It isn't supposed to be "If Sarah's bro is 2yrs younger than her, and Sarah's sister is 5 yrs younger than him" is it? Or total age is 89 perhaps?

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 Post subject: Re: Maths age problemPosted: Mon Sep 17, 2012 12:38 pm

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8542
Oh please, if you're going to ask for help, why don't you type out the question properly as it was initially written? Why re-word it they way you have done? The person who replies is going to be spending longer than you did typing out the question badly.

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