93.0k views
2 votes
Carli made 9 greeting

cards in 3 hour. She determined her unit

rate to be card per hour. Find her error

and correct it.

User ASP
by
7.5k points

1 Answer

7 votes

Explanation:

Shes wrong because she did it in 3 hours which means she would have made 3 cards and not 9.

User Halfbit
by
8.6k points