Respuesta :

Answer:

180

Step-by-step explanation:

formula density:

[tex]p = \frac{m}{v} [/tex]

find volume ..

[tex]v = 12 \times 6 \times 2 \\ = 144[/tex]

subtitute into formula density..

[tex]1.25 = \frac{m}{144} [/tex]

[tex]m = 180[/tex]