Respuesta :
12+48+36=96, it only says that there are one in each box so that means you only have to add them once.
96 party favors because ...
1x+1y+1w=z
1(48)+1(12)+1(36)=z
48+12+36=z
60+36=z
96=z
z=amount of party favors.
1x+1y+1w=z
1(48)+1(12)+1(36)=z
48+12+36=z
60+36=z
96=z
z=amount of party favors.