[tex]95\ g\ of\ fat\ in\ 16\ oz\ of\ ground\ beef\\\\
x\ g\ of\ fat\ in\ 3\ oz\ of\ ground\ beef\\\\ making\ proportion\\\\
95-16\\x-3\\\\ cross\ multiplication\\\\
95*3=16x\\\\ 285=16x\ \ \ | divide\ by\ 16\\\\ x= 17,8125\\\\
17,8125\ g\ of\ fat\ are\ in\ 3\ oz\ of\ beef.
[/tex]
