Answer:
hmmmmm im not sure
Step-by-step explanation:
Answer:
3 students got a perfect score.
Step-by-step explanation:
Total number of students in Mrs. Grape's class = 90
Number of students who earned an A = 3/10 of 90
= 
= 27 students
Out of 27 students the number of students who got perfect score
= 
= 3 students
3 students got a perfect score.
Answer:
300+90+9
-45=0+40+5
Step-by-step explanation:
399-45=354
Answer: A
Step-by-step explanation: