contestada

In a class of 40 students, 5 like neither Nokia nor
Techno. 30 like Techno and Nokia. How many
students like only Nokia if altogether 35 like Techno?​

Respuesta :

kudzordzifrancis

Answer:

No student liked only Nokia

Step-by-step explanation:

The information can be illustrated as shown on the Venn diagram.

The number of students who liked only Nokia is x.

The sum of all regions in the Venn diagram should be 40.

We add all to get:

[tex]5 + 5 + 30 + x = 40[/tex]

[tex]40 + x = 40[/tex]

[tex]x = 40 - 40[/tex]

[tex]x = 0[/tex]

Therefore no one liked only Nokia

Ver imagen kudzordzifrancis