A group of people participate in some curriculum, 25 of them practice Yoga, 15 study cooking, 8 study weaving, 2 of them study cooking only, 7 of them study both the cooking and yoga, 3 of them participate all curriculums. How many people study both cooking and weaving? Select.
A) 1  B) 2  C) 3  D) 4  E) 5
Both cooking and weaving = 15 - (2+3+7)= 
<gadget id="calculator">15 - (2+3+7)</gadget>
<output>3</output>
3   So, the correct answer is 3.
<result>C</result>
A group of people participate in some curriculum, 25 of them practice Yoga, 15 study cooking, 8 study weaving, 2 of them study cooking only, 7 of them study both the cooking and yoga, 3 of them participate all curriculums. How many people study both cooking and weaving?