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January 31, 2015

January 31, 2015

Posted by **jo** on Sunday, August 21, 2011 at 7:14am.

- Maths P5 -
**Reiny**, Sunday, August 21, 2011 at 9:11ampens - 3x

rulers - 5x

3x+5x= 24

8x=24

x=3

so she bought 9 pens and 15 rulers

amount spent on pens and rulers = 9(1.20) + 15(.80) = 22.80

money spent on files : money spent on pens&rulers = 8:3

money spent on files/22.8 = 8/3

= 60.80

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