Answer: 8 invitations each
Step-by-step explanation:
Ms. Candos has 90 invitations from which she will hand out 42 by herself. The number of invitations left will be:
= 90 - 42
= 48 invitations
There are 6 students to share out the rest. They will hand out:
= 48 / 6 students
= 8 invitations each