Mark is attempting to build muscle mass and so he needs to eat at least an additional
80
grams of protein a day. a bottle of protein water costs
$3.20
and a protein bar costs
$1.75
. the protein water supplies
27
grams of protein and the bar supplies
16
grams. he has
$10
dollars to spend.

let
w
represent the number of bottles of protein water mark drinks and let
b
represent number protein bars he eats. write a system of inequalities to model this situation.