Galugi8emchat Galugi8emchat
  • 02-05-2017
  • Mathematics
contestada

Of 40 teachers surveyed, 34 said they listen to classical music and 17 said they listen to opera. Eleven of the teachers said they listen to both classical music and opera. How many teachers listen to classical music, but not to opera?

Respuesta :

lisee7 lisee7
  • 02-05-2017
6 opera + 23 classical + 11 both = 40
Answer 23
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