Question 104421: music store surveys 100 people...
63 like rock music
49 like rap music
24 like jazz
22 like rap and rock, not jazz
2 like rap and jazz, not rock
11 like rock and jazz, not rap
3 like all types
How many do not like any?
Found 2 solutions by stanbon, Allstar:
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! music store surveys 100 people...
63 like rock music
49 like rap music
24 like jazz
22 like rap and rock, not jazz
2 like rap and jazz, not rock
11 like rock and jazz, not rap
3 like all types
How many do not like any?
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Draw three interlocking circles; label them rock, rap, and jazz
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Put a "3" in the intersection of all three circles
Move outward to the intersection of rap/rock-----put 22-3=19
Also mark the intersection of rock/jazz-----put 11-3=8
Marc the intersection of rap/jazz----?-3 =
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Keep moving to the outer limits of the circle, marking each section
based on the data you have and the entries you have made.
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Cheers,
Stan H.
Answer by Allstar(7) (Show Source):
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