Answer:
[tex]96[/tex] Blue M&M's
Step-by-step explanation:
Blue:Red = [tex]12:15[/tex]
Blue:[tex]120[/tex] = [tex]12:15[/tex]
Blue:[tex]120[/tex] = [tex]12\times8:15\times8[/tex]
Blue:[tex]120[/tex] = [tex]96:120[/tex]
∴ There are [tex]96[/tex] Blue M&M's
Hope this helps :)