Question 612553
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, Hi re TY, 
1) Note: no mention of the {{{8}}} who smoked and used alcohol...<u>Note: says only {{{highlight(34)}}} smokers total</u>
2) 6 with all habits listed.
100 people surveyed 34 smoked, 61 cursed, 50 drank alcohol, 25 smoked and cursed, 
30 cursed and drank alcohol, and 6 had all 3 habits.
a) How many had none of these habits: {{{22}}}
 b) Only had the smoking habit {{{3}}} 
{{{drawing(300,300,-5,4,-5,4,
rectangle(-4,-4,4,4), locate(-2,1.8,3),locate(1.5,1.7,0),
locate(-3.7,-1,22),
 locate(-3.5,2.5,S), locate(-.1,2,25),
circle(-sqrt(2),sqrt(2),2),locate(3.5,2.5,C),
circle(sqrt(2),sqrt(2),2),
circle(0,-.5,2),
locate(-.1,-1.1,14),
locate(-.1,1,6),
locate(-1.1,.7,0),
locate(1,.6,30),locate(1.9,-1.1,A))}}}