Jessica needs to create invitations for the party. She has 3/4 of an hour to make the invitations. It takes her 1/12 of an hour to make each card. How many invitations can Jessica create?

9 invitations

Explaination:

3/4 of an hour is 45 minutes

1/12 of an hour is 5 minutes

This means she has 45 mins to make invitation and she can make 1 invitation in 5 mins

45÷5=9

this means she can make 9 invitations in 45 mins