college math

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suppose that in a class of 50 students, 12 are married and 20 live at their parent's homes. two of the married students live at their parents' homes.
a. draw a venn diagram of this information.
b. how many students are single and don't live at their parents' homes?

• college math -

Box of all students with 2 intersecting circles in it.
One circle is married students (total 12)
One circle is parent homes(total 20)

Intersection of circles contains 2
Outside both circles but inside box is single students living elsewhere.
that is 50 -12 - 18

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