A chef plans to cook a maximum of 100 entrées for a dinner party: each entrée will include either chicken
or fish. The cost of ingredients for each chicken
entrée is $7, and the cost of ingredients for each fish
entrée is $9. If no more than $850 aan be spent on
Ingredients for the entrées and the chef cooks
c chicken entrées and f fish entrées, which of the
following systems best represents the constraints
on cand ?