Answer:
4527
Step-by-step explanation:
total amount students = 4527+1641
=6168
amount of students who did not win a medal = total - amount who won a medal
= 6168-1641
=4527
Maybe you should ave a tutor and not ask for answers???
You can write 15,409 like this 10000+5000+400+9 and like this fifteen thousand-four hundred nine
