Read the problem below and answer the questions that follow. In year 2020, an emerging disease called Corona Virus Disease 2019 (COVID-19) put the world into a pandemic. Governments encouraged the public to observe safety protocols such as physical distancing, proper hygiene, and to maintain healthy lifestyle. Because of this, Jose's mother wanted to boost her children's immune system to fight the disease. She allotted in her weekly budget an exact amount of Php300 to buy fruits that would help boost the immune system. In the market, the cost of papaya per kilogram is Php40 while kalamansi is Php 70 per kilograms. a. Let x represent the papaya, y the kalamansi, model a linear equation in two variables and write it in standard form. b. What are the values of A, B, and C in the modelled equation? c. If she buys 2 kilograms of kalamansi, how many kilograms of papaya can she buy to cost her a total of Php300? d. If due to scarcity of supply, papaya and kalamansi are unavailable in the market, what other alternative fruits that can boost the immune system would you suggest to Jose's mother?
