Help me with statistics (ven diagrams/probability) pleeease?

Question

anonymous · Answer

People get caffeine from a variety of sources: coffee, tea and caffeine soda. Suppose that among adults, 55% drink coffee, 25% drink tea, and 45% drink soda. Furthermore, 15% drink coffee and tea, 25% drink coffee and soda, 5% drink tea exclusively, and 5% drink all three beverage types. Use a Venn Diagram to answer the following questions. 

a) What percent of adults drink only coffee? 20%
b) What percent of adults drink only soda? 15%
c) What percent of adults drink none of the beverage types? 20%

kc_kennylau · Answer

Can you show us the Venn Diagram that you drew?