Question

2/5 of the students in the class received an invitation to Sari's party. (a) if there are 35 students in Sari's class, how many of the students received invitations to Sari's party? (b) how many students did NOT receive an invitation to her party?

Answer 1

(a) 14 students received invitation to Sari's party.

(b) 21 students did not received invitation to her party.

Explanation:

Given:

2/5 of the students in the class received an invitation to Sari's party.

There are 35 students in Sari's class.

Now, to find (a) number of students received invitation (b) number of students did not received invitation.

(a) The number of students received invitation are:

2/5 of total students in the class.

`=(2)/(5) of 35.`

`=(2)/(5) * 35`

`=(70)/(5)=14\ students.`

14 students received invitation to Sari's party.

(b) The number of students who did not get invitation are:

Total number of students - number of students received invitation

`35-14=21\ students.`

21 students did not received invitation to her party.

Therefore, (a) 14 students received invitation to Sari's party. (b) 21 students did not received invitation to her party.