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

Cindy went to the store with just enough money to buy 11 files.However, she bought only 8 files and spent the rest of her money on 24 pens and rulers. The ratio of the number of pens to rulers was 3:5. Each ruler costs $0.80. Each pen costs $0.40 more than a ruler.How much did she spent on the files?

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