Question 179823
let x and y be the number of chip and pretzel bags respectively
:
{{{4x+2y<=20}}}
:
if x=1 then {{{4(1)+2y<=20}}}--->{{2y<=16}}}--->{{{y<=8}}}
:
if x=3 then  {{{4(3)+2y<=20}}}--->{{2y<=8}}}--->{{{y<=4}}}
:
so chips 1 and pretzels 8
:
chips 3 and pretzels 4