Question

(4 points) A hardware store will run an advertising campaign using radio and newspaper. Every dollar spent on radio advertising will reach 110 people in the "Under $40,000" market, and 30 people in the "Over $40,000" market. Every dollar spent on newspaper advertising will reach 120 people in the "Under $40,000" market, and 20 people in the 'Over $40,000" market. If the store wants to reach at least 90,000 people in the 'Under $40,000" market and 120,000 people in the "Over $40,000" market, how much should it spend on each type of advertising to minimize the cost? Minimum amount spent on advertising (in dollars): Dollars spent on radio advertising: Dollars spent on newspaper advertising:

Answer 1

Given Radio advestiging T 110 people $ _30 peopleſ Under over $40,000_marked $49000 market News paper advertising 120 people / $ 20 peoplé 1 $ under over $40900 merket $ 40,020market. 120 Case-1 9f stone want to geach 90,000 people under $40,000 market in minimum coskun He should go through Newspaper_as on because mune qumber of people in 1$+(8.120 peoplej. Mo Total dovans_spendo_90,000 = ESOS press paper case 2 1 20, on peope im_over_64000.- _ He showed choose_Radio advertising (robot_30.people's Total dollars 120, an} = ($4000) SØ ta 2. minimum amount Spends $150 +84000 = 1$ 4.950 (b) Dollars I spend on Radio - 1 $ 4000 Ant ♡_ Dollars Spend on news paper = 18.750 / 4 4000 - (Radio)