Open discussion — free answers and payable offers
Every resident of Sleepy Island wakes up always in the same way. Ways to only three: (A) to open both eyes at the same time and run to the charge; (B) to open the first left eye, and after 16 minutes - right, and run for breakfast; (B) to open the first right eye, and after 27 minutes - left. The sociological survey service, "Good morning," was attended by residents of cities and Krivdina Pravdina, a total of 1024 Islander. Each was asked to 3 questions: (1) "Wake up if you A way?" (2) "Wake up if you process B?" (3) "Do you wake up in the way?" Answer "yes" to the first question was 289, the second question - 361, the third question - 441. How many residents of each city took part in the survey?
Jon - 05.12.2016 12:26Every resident of Sleepy Island wakes up always in the same way. Ways to only three: (A) to open both eyes at the same time and run to the charge; (B) to open the first left eye, and after 16 minutes - right, and run for breakfast; (B) to open the first right eye, and after 27 minutes - left. The sociological survey service, "Good morning," was attended by residents of cities and Krivdina Pravdina, a total of 1024 Islander. Each was asked to 3 questions: (1) "Wake up if you A way?" (2) "Wake up if you process B?" (3) "Do you wake up in the way?" Answer "yes" to the first question was 289, the second question - 361, the third question - 441. How many residents of each city took part in the survey?
Jon - 05.12.2016 12:47prompt a correct answer (Attachment)
You have to sign in as a teacher to join the discussion and offer your help with this question.
Sign in / Not registered? Sign up
Payable offers
No offers yet