Identify the kind of proportion used in each Problem.
1. A kilogramo of fish costs ₱140. How much will 3.2 kilogramo cost?
2. Three numbers are in the ratio 1:4: 5. If their sum is 620, what are the three numbers?
3. The fastest cheer ah can run 120km per hour. At the same speed, how far can it go in 15 minutes?
4. A farmer has enough feeds for 90 hens in 15 days. If he sells 30 hens, how long will the feeds last?
5. A contractor hired 20 men to pave a portion of a road in 12 days. How many men should he hire to do the same work in 8 days? ​