Page 1 of 1
Help with Maths question please
Posted: Sun Aug 31, 2014 6:01 pm
by kal12003
Hi
Could someone please advise how they would work the following question out. DD tried to convert all the options to % to compare but has got herself in a fluster.
Thanks in advance
Which one of these is the smallest?
3.6%
1/25
0.05
3.49%
1/15
Answer is 3.49%
Re: Help with Maths question please
Posted: Sun Aug 31, 2014 9:39 pm
by Ess30
The only tricky one is 1/15 - and you can exclude that one by comparing it with 1/20.
Re: Help with Maths question please
Posted: Sun Aug 31, 2014 9:53 pm
by Manana
Ess30 wrote:The only tricky one is 1/15 - and you can exclude that one by comparing it with 1/20.
I struggled with 0.05. How do you turn that into a %?
Re: Help with Maths question please
Posted: Sun Aug 31, 2014 10:01 pm
by moved
The first column after the decimal point is tenths, such as 10p is written £0.10.
The second is hundredths, such as 5p is written £0.05.
So 0.05 is the same as 5 out of 100 or 5/100 or 5%.
Percent means per hundred so to convert a decimal to a percentage you multiply by 100.
Re: Help with Maths question please
Posted: Sun Aug 31, 2014 10:03 pm
by leanmeamum
you can convert it into a % which works out to 6.67% (rounded to 2 DP)
Re: Help with Maths question please
Posted: Mon Sep 01, 2014 8:56 am
by kal12003
Thank you all, Makes sence now.