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 Post subject: help pleasePosted: Mon Nov 07, 2011 7:18 pm

Joined: Tue Feb 22, 2011 11:06 pm
Posts: 75
thirty-six articles are shared among A,B and C in the ratio of 1:3:5.how many articles does each person have?

A has_
Bhas _
Chas_

the answer is 4,12,20
bond more 4th paper 1

can anyone explain the work out please.thank you

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 Post subject: Re: help pleasePosted: Mon Nov 07, 2011 7:38 pm

Joined: Tue May 05, 2009 9:26 pm
Posts: 533
1+ 3 + 5 = 9

36/9 = 4

A = 1x 4=4
B= 3x4= 12
C= 5X4=20

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 Post subject: Re: help pleasePosted: Mon Nov 07, 2011 11:40 pm

Joined: Fri Oct 21, 2011 2:49 pm
Posts: 263
As worked out by Twinkle

I would also explain that the ratio 1:3:5 means for every article that A has, B has 3 times as many (as A) and C has 5 times as many (as) A.
Adding up all the quantities you've worked out gives you the total number of articles you had to share out (use this to check your answer)

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 Post subject: Re: help pleasePosted: Tue Nov 08, 2011 6:49 pm

Joined: Tue Feb 22, 2011 11:06 pm
Posts: 75
thankyou

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 Post subject: Re: help pleasePosted: Tue Nov 08, 2011 6:53 pm

Joined: Fri Oct 12, 2007 12:42 pm
Posts: 3826
Location: Chelmsford and pleased
I teach ratio as beads in a pattern on a bracelet.

36 beads on the whole bracelet.
Bracelet made up of beads in the pattern:
A B B B C C C C C

How many beads in the pattern and how many patterns in the bracelet.

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