Question 636250
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Of the 375 people who responded
181 people watched movies on VHS tapes.
 245 people watched movies on DVDs. 
66 people watched movies both on VHS tapes and DVDs. 
i. Of those surveyed, how many watched only VHS tapes? 115
ii. Of those surveyed, how many watched only DVDs?  179
iii. Of those surveyed, how many watched VHS tapes or DVDs, but not both? 294 
iv. Of those surveyed, how many watched VHS tapes or DVDs, or both? 360
{{{drawing(300,300,-4,4,-5,4,
rectangle(-4,-1.6,4,4), locate(-2,1.8,115),locate(1.5,1.7,179),
locate(-3.7,-1,15),
 locate(-3.8,2.5,VHS), locate(-.1,1.8,66),
circle(-sqrt(2),sqrt(2),2),locate(3.2,2.5,DVD),
circle(sqrt(2),sqrt(2),2))}}}