What do scientists often create when they cannot easily study the real thing
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This question is incomplete, here's the complete question.
See attached venn diagram.
How many women at the party are under 30?
How many men at the party are not under 30?
How many women are at the party? How many people are at the party?
Answer:
- 16 women under 30
- 22 men not under 30
- 44 women at the party
- 81 people at the party
Explanation:
A Venn diagram has overlapping circles, each one containing all the components of a group. Where the circles
The overlap reveals the elements that different groups have in common.
Total of people at the party:
22 men not under 30
+
15 men under 30
+
16 women under 30
+
28 not men, nor under 30
Total = 81 people at the party
If there are 22 men not under 30, and 15 men under 30, it means there´re 37 men and 44 women at the party.
