SOLUTION: CAN YOU HELP ME UNDERSTAND HOW TO SOLVE THESE THANKS... pROBLEM #22 Use the union rule to answer the following questions. Investment Survey Most mathematics professors love to

Question 86574: CAN YOU HELP ME UNDERSTAND HOW TO SOLVE THESE THANKS...
pROBLEM #22
Use the union rule to answer the following questions.
Investment Survey Most mathematics professors love to
invest their hard-earned money. A recent survey of 150
math professors revealed that
111 invested in stocks;
98 invested in bonds;
100 invested in certificates of deposit;
80 invested in stocks and bonds;
83 invested in bonds and certificates of deposit;
85 invested in stocks and certificates of deposit;
9 did not invest in any of the three.
How many mathematics professors invested in stocks and
bonds and certificates of deposit?

Answer by scianci(186) (Show Source): You can put this solution on YOUR website!
Draw a Venn Diagram with 3 overlapping circles inside a rectangle. Label each cell with its respective amount. Start from the innermost cell and work your way out.
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