1. At the rate of 3 items per ₱100,how much will 12 items cost? 2. In the ratio of 3:2:2, three brothers invested a total of ₱49,000 to open a store.Find each brother's share in the investment. 3. A stock of food is enough to feed 50 persons for 14 days.How many days will the food last if 20 more persons will be added? 4. If 4 farmers can plow a field in 6 days,how long will 8 farmers do it? 5. A car travels 72 km on 8 liters of gasoline. At the same rate, about how far can it travel on 11 liters of gasoline?