Respuesta :

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[tex]12\ stunts\ in\ 4\ movies.\\\\Divide\ the\ number\ of\ stunts\ by\ the\ number\ of\ movies.\\\\ \frac{12}{4}=3\\\\That's\ an\ average\ of\ 3\ stunts\ per\ movie.\\\\{\boxed{3}[/tex]
To find out how many stunts per movie (unit rate) we have to divide the amount of stunts (12) by the amount of movies (4). Then we will check our work. to make sure we are right. Lets do it:- 

12 ÷ 4 = 3
3 stunts per movie

CHECK OUR WORK:- 

3 × 4 = 12
We were RIGHT!!

So, the unit rate for 12 stunts in 4 movies is 3 stunts per movie.

Hope i helped ya!! xD