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In a class of 40 students, 17 have ridden an airplanr, 28 have ridden a boat, 10 have ridden a train 12 have ridden a both an air plain and boat, 3 have

ridden a train only 4 have ridden an air,plain only.some students in a class have not ridden any of the three models of transportation and an aqual number have all three. 1.How many students have all three model of transportation? 2. How many students have taken only the boat? what 3. Using the venn diagram using 3 circles what is the answer?


an aqual number have all three. ...i would like to clear this one..
i have with me my answer, but i need to settle that statement..please reply asap
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