50 students were asked what they did last night.
16 said they read a book, 41 said they watched television. If 7 said they
did neither how many
a) did both?
b) watched television. only?
c) read books only?​

Respuesta :

Answer:

A

Step-by-step explanation:

if they had watched tv or read a book it would've said so.

The total number of students who watch television and read a book is 14, the total number of students who watch television is 27, and the total number of students who read a book is 2.

Given :

  • 50 students were asked what they did last night.
  • 16 said they read a book, 41 said they watched television.

Let the total number of students who do both be 'a'. So, the total number of students is:

[tex]n = (16-a)+(41-a)+a+7[/tex]

where 'n' is the total number of students.

Now, substitute the value of 'n' in the above expression.

[tex]50 = (16-a)+(41-a)+a+7[/tex]

Simplify the above expression in order to determine the value of 'a'.

[tex]a = 14[/tex]

a) So, the total number of students who watch television and read a book is 14.

b) The total number of students who watch television is 27.

c) The total number of students who read a book is 2.

For more information, refer to the link given below:

https://brainly.com/question/11897796

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