Respuesta :
[tex]\huge\boxed{12\ \text{marbles}}[/tex]
Find how many blue and pink marbles there are in all. [tex]10+8=\boxed{18}[/tex]
Subtract that from [tex]30[/tex]. [tex]30-18=\large\boxed{12}[/tex]
[tex]\huge\boxed{12\ \text{marbles}}[/tex]
Find how many blue and pink marbles there are in all. [tex]10+8=\boxed{18}[/tex]
Subtract that from [tex]30[/tex]. [tex]30-18=\large\boxed{12}[/tex]