Identify the type of proportion that the following problems illustrate,then solve the problem.
1. A fast vehicle travels 390 km in 3 hours.At this rate,how far will it travel in 9 hours? _______ _______

2. The ratio of two numbers is 3:5.If the larger number is 30,what is the smaller number? _______ _______

3. A basket of food is sufficient to feed 60 persons for 15 days.How many days would it last for 30 persons? _______ _______

4. Two friends invested P 625,000 in a small business.If their capitals are in the ratio of 2:3,how much did each one invested? _______ _______

5. A stock of food is enough to feed 30 orphans for 12 days.How many days will the food last if 10 more orphans are added? _______ _______​