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April 23, 2014

April 23, 2014

Posted by **10M1** on Thursday, October 27, 2011 at 2:09am.

18 carat: 40 stock

22 carat: -

24 carat: 20 stock

25% of the stocks of necklaces are 22 carat

How many 22 carat necklaces are there in stock in the shop?

Is the answer 15, I ain't too sure!

- Maths -
**drwls**, Thursday, October 27, 2011 at 2:18amLet x be the number of 22 carat necklaces.

x = (1/4)(40 + x + 20)

= x/4 + 15/4

3x/4 = 15/4

x = 15

Yes, your answer is right.

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