Venn diagrams

[pallid prism]

can someone please help me with part b)

[royal barn]

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   +close
   

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[pallid prism]

heres the venn diagram

[tranquil tinsel]

The last given condition is not represented on the Venn diagram. Try using it to set up an equation between x and y.
Also not represented on the Venn diagram is the fact that 38 people were interviewed.

[pallid prism]

??

[tranquil tinsel]

The last given condition:

[pallid prism]

+close