Question 473580
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,previously posted
Proceed by placing the "all three" of 23
then: 34-23=11  41-23 = 18   27-23 = 4
then: 114 -11-23-18=62, 44-11-23-4=6 and 54-18-23-4=9 to complete
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(a) How many grew only tomatoes? 62
(b) How many grew both tomatoes and zucchini, but not cucumbers? 18
(c) How many grew only zucchini? 9
(d) How many grew none of these three or only cucumbers? 17+6 = 23
(e) How many vegetable gardeners were surveyed? 114 + 6 + 4 + 9 + 17 = 150