Question

A survey of 295 college students produced the following information: 82   are practicing football, (FB) 115...

  1. A survey of 295 college students produced the following information:

82   are practicing football, (FB)

115 are practicing basketball, (BB)

63 are practicing volleyball, (VB)

27 are practicing both FB and VB,

35 are practicing both FB and BB,

40 are practicing both BB and VB,

20 are practicing all the three types of sports.

  1. How many students were surveyed who are practicing two sports?
  2. How many students were surveyed who are practicing only FB?
  3. How many students are practicing none of the sports?      

(Writ the rules then find the solution)           

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