Respuesta :

12 marshmallows and 8 graham crackers = 4 s'mores
12/4 = 3
8/4 = 2
3 marshmallows and 2 graham crackers = 1 s'more
3  x 3 = 9
2 x 3 = 6
Renee needs 9 marshmallows and 6 graham crackers to make 3 s'mores.