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 Post subject: Maths question help!!
PostPosted: Thu Jul 09, 2015 4:16 am 
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Joined: Thu Mar 17, 2011 12:58 pm
Posts: 92
Amrit lives in Harrow-on-the- Hill. The table below shows the train journey times relative to Harrow-on-the-Hill station.

Station------------Weekdays---------Weekend
Harrow------------ (...........) ------- (...........)
Pinner --------------(+5min)---------(+14min)
Northwood----------(+9min)----------(+22min)

What is the percentage difference between the time taken for a train journey from Pinner to Northwood on a weekend and on a weekday.

Many thanks to all in advance !!


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PostPosted: Thu Jul 09, 2015 5:35 am 
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Joined: Sat Aug 10, 2013 11:46 am
Posts: 188
At the weekend it takes 8 mins and 4 on week days. That's half, so the difference is 50% of the weekend time.

The other way of looking at it is 4 mins on weekdays and 8 mins at the weekend so that is a difference of 100% of the weekday time.

It appears to be a badly worded question. Stating what the percentage difference relates to qualifies what you are talking about and hence either of the above answers, fully qualified, is valid.


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PostPosted: Thu Jul 09, 2015 9:58 am 
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Joined: Thu Mar 17, 2011 12:58 pm
Posts: 92
Thank-you russet. The answer given was 100%. :o


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