A favorite sports poll of 30 teenagers shows that 18 like soccer, 9 like baseball and 10 like ice hockey. Three teenagers like all three sports, 3 like only soccer and baseball, 4 like only hockey and soccer, and 3 like only hockey. How many teenagers do not like any of these sports
3 answers
draw a Venn diagram, fill in the given data and all mysteries will become clear to you
Draw a Venn diagram. You will see that 28 like some sport. So, 2 like none of them.
A favorite sports poll of 30 teenagers shows that 18 like soccer, 9 like baseball and 10 like ice hockey. Three teenagers like all three sports, 3 like only soccer and baseball, 4 like only hockey and soccer, and 3 like only hockey. How many teenagers do not like any of these sports?