Me on this one question! (10th grade level)  katie is buying souvenir gifts for her big family back home. she wants to buy everyone either a key chain or a magnet. the magnets are on sale for 50 cents each and the key chains cost $1 each. she must purchase at least 24 gifts but has to spend less than $20. let x represent the number of magnets and y represent the number of key chains. a. model the scenario with a system of inequalities. b. graph the system of inequalities and choose an appropriate solution for the scenario. use complete sentences to prove why the solution is appropriate.