Question 1154736

given:
 {{{C =215}}}
 {{{p =5}}}
 {{{c=42}}}

{{{C= 9f+4p+4c}}}

{{{215= 9f+4*5+4*42}}}

{{{215= 9f+20+168}}}

{{{215= 9f+188}}}

{{{215-188= 9f}}}

{{{27= 9f}}}

{{{f=27/9}}}

{{{f=3}}} -> the number of grams of fat