Answer:
3y-y
Step-by-step explanation:
first you need to figure out how many cards Ellen needs to make. (3*2=6) but it ask how many more cards does she have to make then Lynette which means you then have to subtract how many cards Lynette is making from how many cards Ellen is making. (6-2) making the whole process. (3*2-2) now replace 2 with Y. (3y-y)