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 Post subject: maths
PostPosted: Thu Sep 24, 2009 10:05 pm 
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Joined: Sat Apr 12, 2008 6:46 pm
Posts: 5
There are 20 classrooms with 12 rooms having disable access. What percentage of the rooms have disable access? Please I need help in solving this question.


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PostPosted: Thu Sep 24, 2009 10:12 pm 
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Joined: Sat Sep 19, 2009 5:06 pm
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(12/20)*100 = 60%.


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PostPosted: Thu Sep 24, 2009 10:19 pm 
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Joined: Mon Jun 18, 2007 2:32 pm
Posts: 6965
Location: East Kent
12/20

to make this a percentage we need to know how many hundredths this is.

to find equivalent fraction ..

need to multiply 20 by 5 to make it hundredths, so need to multiply top by 5 too

12/20 = 60/100 = 60%


(that was the step by step version of the answer above)


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PostPosted: Fri Sep 25, 2009 12:18 am 
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Joined: Fri Oct 12, 2007 12:42 pm
Posts: 3813
Location: Chelmsford and pleased
Always love your explanations yoyo


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