Question

Problem #1: Mrs. Grape has 90 students. On her last test, 3/10 of these students earned an A. Of those students, 1/9 got a perfect score. How many students got a perfect score?

Answer 1

3 students got a perfect score.

Explanation:

Total number of students in Mrs. Grape's class = 90

Number of students who earned an A = 3/10 of 90

=
`(3)/(10)* 90`

= 27 students

Out of 27 students the number of students who got perfect score

=
`(1)/(9)* 27`

= 3 students

3 students got a perfect score.