Direction: Solve the following problems on system of linear inequaliies in two variables.
1. Kim is buying fashion ring and key chain for her friends. Each keychain cost P15 while each fashion ring cost P10. She only has P80 but needs to buy at least 2 pieces of keychain a. write the system of Inequalities that illustrate the given problem. b. solve the system of inequalities graphically. c.find the possible number of pieces of keychain that Kim can buy.
2. Mrs. Guzman wants to buy at least 20 kilos of beef and pork for her little daughter's birthday celebration, but can spend not more than P10,000. A kilo of beef cost P300 while a kilo of pork cost P190. a. What mathematical statement represent the given situation / problem. b. Solve the problem by graphing c. Give two possible solutions to the given problem
3. Tickets for a movie cost P220 for children and 280 for adults. The cashier of the movie house was able to collect a total amount of less than P15,000 from less than 50 adults and children who watch the movie. a. Write the system of inequalities to represent the problem b. Solve the problem by graphing c. Find two possible pairs of the number of adults and the number of children who watched the movie. a. C. .
