each student needs for stencils and six color pencils for a project if a class uses 27 colored pencils for a project how many stencils do they use ​

answer:  

\boxed {\frac{1}{5}}  

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solution-

60 *   \frac{1}{5}   = 12

90 * \frac{1}{5} = 18

75 * \frac{1}{5} = 15

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hence, the answer would be \boxed {\frac{1}{5}}