Question
Daniel bought $621 worth of rulers and files. He bought thrice as many files as rulers. He spent $243 more on files than on rulers. Each ruler cost $2.70 more than each file. Find the price of a ruler.
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Daniel bought $621 worth of rulers and files. He bought thrice as many files as rulers. He spent $243 more on files than on rulers. Each ruler cost $2.70 more than each file. Find the price of a ruler.