Question 307995
Let x = number of pounds of cashews.


Set up a ratio of pounds of cashews to total pounds of nuts, realizing that there will be 2 pounds of cashews in a 7 pound mixture.


{{{(2 cashews)/(7 total)=(x cashews)/(4 total)}}}


Since {{{a/b=c/d}}} means that {{{ad=bc}}},

{{{(2 cashews)/(7 total)=(x cashews)/(4 total)}}} means that {{{2*4=7*x}}}.
{{{7x=8}}}
{{{x=8/7}}} or 1 1/7 pounds of cashews.


Dr. Robert J. Rapalje, Retired