hard · GMAT Quant
A clothing manufacturer produces shirts in two fabrics, Silk and Cotton. The production cost for a Silk shirt is 45 dollars, and the production cost for a Cotton shirt is 15 dollars.
If the average production cost for all shirts is 25 dollars, what is the ratio of the number of Cotton shirts produced to the total number of shirts produced?
- dfrac23
- dfrac12
- dfrac21
- dfrac13
- dfrac35
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