1. Ratio of weight 2:4:5. The total weight is 154kg.
Answer:________

2.13 ball pens for 91 pesos, 25 ball pens for

Answer:________

3.8 carpenters for 6 days, 12 carpenters for

Answer:________

4.12 machines for 15 hours, 18 machines for

Answer:________

5.200-word article in 5 typists, 600-word article for

Answer:________